scholarly journals Trend of Cutaneous Leishmaniasis in Jordan From 2010 to 2016: Retrospective Study (Preprint)

2019 ◽  
Author(s):  
Mohammad Alhawarat ◽  
Yousef Khader ◽  
Bassam Shadfan ◽  
Nasser Kaplan ◽  
Ibrahim Iblan
Keyword(s):  
Retrospective Study ◽  
Cutaneous Leishmaniasis ◽  
Incidence Rate ◽  
Surveillance System ◽  
Incidence Rates ◽  
Case Definition ◽  
Syrian Refugees ◽  
Annual Incidence Rate ◽  
High Incidence ◽  
Average Annual Incidence

BACKGROUND Cutaneous leishmaniasis (CL) is endemic in the Middle East, with countries such as Syria reporting high incidence rates. OBJECTIVE This study aimed to assess the trends in the incidence of cutaneous leishmaniasis (CL) in Jordan from 2010 to 2016. METHODS This retrospective study included all cases of CL that had been reported to the Leishmaniasis Surveillance System in the Department of Communicable Diseases at the Jordan Ministry of Health during the period from 2010 to 2016. A total of 1243 cases were reported and met the case definition. RESULTS A total of 1243 cases (60.65% [754/1243] males and 39.34% [489/1243] females) were diagnosed during the study period. Of this sample, 233 patients (19.13%) were aged <5 years old, 451 (37.03%) were aged between 5-14 years old, 190 (15.60%) were aged between 15-24 years old, and 344 (28.24%) were aged ≥25 years old. Of those, 646 (51.97%) were Jordanians and 559 (44.97%) were Syrians. The average annual incidence rate of 1.70 per 100,000 people between 2010 and 2013 increased to 3.00 per 100,000 people in the years 2014 to 2016. There was no difference in incidence rates between Jordanians and Syrian refugees between 2010 and 2012. After 2012, the incidence rate increased significantly among Syrian refugees from 1.20 per 100,000 people in 2012 to 11.80 per 100,000 people in 2016. On the contrary, the incidence rate did not change significantly among Jordanians. CONCLUSIONS The incidence rate of leishmaniasis in Jordan has increased in the last three years because of the influx of Syrian refugees into Jordan. A massive effort toward reservoir and vector control, along with actively pursuing diagnosis in endemic foci, will be helpful. Proper and studious reporting of cases is also a necessity for the eradication of this disease.

scholarly journals Trend of Cutaneous Leishmaniasis in Jordan From 2010 to 2016: Retrospective Study

10.2196/14439 ◽  
2020 ◽  
Vol 6 (1) ◽  
pp. e14439
Author(s):  
Mohammad Alhawarat ◽  
Yousef Khader ◽  
Bassam Shadfan ◽  
Nasser Kaplan ◽  
Ibrahim Iblan
Keyword(s):  
Retrospective Study ◽  
Cutaneous Leishmaniasis ◽  
Incidence Rate ◽  
Surveillance System ◽  
Incidence Rates ◽  
Case Definition ◽  
Syrian Refugees ◽  
Annual Incidence Rate ◽  
High Incidence ◽  
Average Annual Incidence

Background Cutaneous leishmaniasis (CL) is endemic in the Middle East, with countries such as Syria reporting high incidence rates. Objective This study aimed to assess the trends in the incidence of cutaneous leishmaniasis (CL) in Jordan from 2010 to 2016. Methods This retrospective study included all cases of CL that had been reported to the Leishmaniasis Surveillance System in the Department of Communicable Diseases at the Jordan Ministry of Health during the period from 2010 to 2016. A total of 1243 cases were reported and met the case definition. Results A total of 1243 cases (60.65% [754/1243] males and 39.34% [489/1243] females) were diagnosed during the study period. Of this sample, 233 patients (19.13%) were aged <5 years old, 451 (37.03%) were aged between 5-14 years old, 190 (15.60%) were aged between 15-24 years old, and 344 (28.24%) were aged ≥25 years old. Of those, 646 (51.97%) were Jordanians and 559 (44.97%) were Syrians. The average annual incidence rate of 1.70 per 100,000 people between 2010 and 2013 increased to 3.00 per 100,000 people in the years 2014 to 2016. There was no difference in incidence rates between Jordanians and Syrian refugees between 2010 and 2012. After 2012, the incidence rate increased significantly among Syrian refugees from 1.20 per 100,000 people in 2012 to 11.80 per 100,000 people in 2016. On the contrary, the incidence rate did not change significantly among Jordanians. Conclusions The incidence rate of leishmaniasis in Jordan has increased in the last three years because of the influx of Syrian refugees into Jordan. A massive effort toward reservoir and vector control, along with actively pursuing diagnosis in endemic foci, will be helpful. Proper and studious reporting of cases is also a necessity for the eradication of this disease.

Incidence of spontaneous intracranial hypotension in a community. Beverly Hills, California, 2006–2020

Cephalalgia ◽  
2021 ◽  
pp. 033310242110485
Author(s):  
Wouter I Schievink ◽  
M Marcel Maya ◽  
Franklin G Moser ◽  
Paul Simon ◽  
Miriam Nuño
Keyword(s):  
Confidence Interval ◽  
Incidence Rate ◽  
Intracranial Hypotension ◽  
Medical Center ◽  
Spontaneous Intracranial Hypotension ◽  
Population Based ◽  
Incidence Rates ◽  
Annual Incidence Rate ◽  
Average Annual Incidence ◽  
First Time

Background Spontaneous intracranial hypotension is diagnosed with an increasing frequency, but epidemiologic data are scarce. The aim of this study was to determine the incidence rate of spontaneous intracranial hypotension in a defined population. Methods Using a prospectively maintained registry, all patients with spontaneous intracranial hypotension residing in Beverly Hills, California, evaluated at our Medical Center between 2006 and 2020 were identified in this population-based incidence study. Our Medical Center is a quaternary referral center for spontaneous intracranial hypotension and is located within 1.5 miles from downtown Beverly Hills. Results A total of 19 patients with spontaneous intracranial hypotension were identified. There were 12 women and seven men with a mean age of 54.5 years (range, 28 to 88 years). The average annual incidence rate for all ages was 3.7 per 100,000 population (95% confidence interval [CI]: 2.0 to 5.3), 4.3 per 100,000 for women (95% CI, 1.9 to 6.7) and 2.9 per 100,000 population for men (95% CI, 0.8 to 5.1). Conclusion This study, for the first time, provides incidence rates for spontaneous intracranial hypotension in a defined population.

scholarly journals Epidemiology of myotonic dystrophy type 1 in the population of central Serbia

2005 ◽  
Vol 62 (5) ◽  
pp. 377-382
Author(s):  
Jelena Mladenovic ◽  
Tatjana Pekmezovic ◽  
Slobodanka Todorovic ◽  
Vidosava Rakocevic-Stojanovic ◽  
Stanka Romac ◽  
...  
Keyword(s):  
Incidence Rate ◽  
Myotonic Dystrophy ◽  
Epidemiological Survey ◽  
Incidence Rates ◽  
Myotonic Dystrophy Type 1 ◽  
Myotonic Dystrophy Type ◽  
Annual Incidence Rate ◽  
Hospital Records ◽  
Average Annual Incidence

The objective of this epidemiological survey was to estimate the frequency and distribution of Myotonic dystrophy type 1 (MD1) (Steinert's disease) in central Serbia, during the period 1983-2002. The data on the number of diagnosed MD1 patients were obtained using the analysis of hospital records, which were examined in all the relevant neurological institutions in central Serbia in the mentioned period. Incidence rate and prevalence were used for the data analysis. In the study period in central Serbia, 154 patients (78 males and 76 females) with MD1 were identified. The average annual incidence rate of MD1 was 1.3 (95% CI-confidence interval 0.1-7.2) per 1,000,000 population, 1.4/1,000,000 (95% CI 0.1-7.2) for males, 1.3/1,000,000 (95% CI 0.1-7.2) for females. The trend of MD1 incidence rates in the observed period in central Serbia had a tendency of the statistically significant decrease, according to the linear model, in both male (y=0.205-0.0066x, p=0.021) and female populations (y = 0.1788-0.0048?, p = 0.032). The prevalence of MD1 on December 31, 2002 in central Serbia was 3.8/100,000 (95% IP 3.2-4.6), 3.7/100,000 (95% IP 3.3-4.8) for males, 3.3/100,000 (95% IP 3.0-4.4) for females.

scholarly journals Subarachnoid hemorrhage after surgical treatment of unruptured intracranial aneurysms

2018 ◽  
Vol 129 (2) ◽  
pp. 490-497
Author(s):  
Hidetoshi Matsukawa ◽  
Hiroyasu Kamiyama ◽  
Toshiyuki Tsuboi ◽  
Kosumo Noda ◽  
Nakao Ota ◽  
...  
Keyword(s):  
Risk Factors ◽  
Subarachnoid Hemorrhage ◽  
Surgical Treatment ◽  
Incidence Rate ◽  
Intracranial Aneurysms ◽  
Annual Incidence ◽  
Annual Incidence Rate ◽  
Excellent Outcome ◽  
Unruptured Intracranial Aneurysms ◽  
Average Annual Incidence

OBJECTIVEOnly a few previous studies have investigated subarachnoid hemorrhage (SAH) after surgical treatment in patients with unruptured intracranial aneurysms (UIAs). Given the improvement in long-term outcomes of embolization, more extensive data are needed concerning the true rupture rates after microsurgery in order to provide reliable information for treatment decisions. The purpose of this study was to investigate the incidence of and risk factors for postoperative SAH in patients with surgically treated UIAs.METHODSData from 702 consecutive patients harboring 852 surgically treated UIAs were evaluated. Surgical treatments included neck clipping (complete or incomplete), coating/wrapping, trapping, proximal occlusion, and bypass surgery. Clippable UIAs were defined as UIAs treated by complete neck clipping. The annual incidence of postoperative SAH and risk factors for SAH were studied using Kaplan-Meier survival analysis and Cox proportional hazards regression models.RESULTSThe patients’ median age was 64 years (interquartile range [IQR] 56–71 years). Of 852 UIAs, 767 were clippable and 85 were not. The mean duration of follow-up was 731 days (SD 380 days). During 1708 aneurysm years, there were 4 episodes of SAH, giving an overall average annual incidence rate of 0.23% (95% CI 0.12%–0.59%) and an average annual incidence rate of 0.065% (95% CI 0.0017%–0.37%) for clippable UIAs (1 episode of SAH, 1552 aneurysm-years). Basilar artery location (adjusted hazard ratio [HR] 23, 95% CI 2.0–255, p = 0.0012) and unclippable UIA status (adjusted HR 15, 95% CI 1.1–215, p = 0.046) were significantly related to postoperative SAH. An excellent outcome (modified Rankin Scale score of 0 or 1) was achieved in 816 (95.7%) of 852 cases overall and in 748 (98%) of 767 clippable UIAs at 12 months.CONCLUSIONSIn this large case series, microsurgical treatment of UIAs was found to be safe and effective. Aneurysm location and unclippable morphologies were related to postoperative SAH in patients with surgically treated UIAs.

A Population-Based Study of Incidence of Myeloproliferative Neoplasms in Sweden Between 2000 and 2012

Blood ◽  
2015 ◽  
Vol 126 (23) ◽  
pp. 1605-1605
Author(s):  
Malin Hultcrantz ◽  
Therese M-L Andersson ◽  
Ola Landgren ◽  
Paul W Dickman ◽  
Bjorn Andreasson ◽  
...  
Keyword(s):  
Incidence Rate ◽  
Confidence Intervals ◽  
Research Funding ◽  
Myeloproliferative Neoplasms ◽  
Population Based ◽  
Incidence Rates ◽  
Annual Incidence Rate ◽  
Swedish Population ◽  
Population Based Study ◽  
Cancer Register

Abstract Background The Myeloproliferative neoplasms (MPNs) consists of the subtypes polycythemia vera (PV), essential thrombocythemia (ET), primary myelofibrosis (PMF), and MPN unclassifiable (MPN-U). The incidence rates of these diseases vary substantially between different reports, ranging from 1.15 to 4.99/100,000 person-years. However, in a recent metaanalysis, there was no significant difference in MPN incidence between Europe and North America and the variations in incidence may therefore reflect the quality of the cancer registers and reporting of MPNs. In addition, there is a limited number of reports on MPN incidence during more recent years. Therefore, we assessed the incidence of MPN based on the Swedish Cancer Register, a high-quality population-based cancer register between 2000 and 2012. Patients and Methods The Swedish Cancer Register was used to identify all patients diagnosed with an MPN between January 1st 2000 and December 31st 2012. These Swedish Cancer Registers have very high levels of quality and completeness. Between 2008 and 2012, the reporting of newly diagnosed MPN to the cancer register was >92%. Information on the Swedish population was obtained from the Human Mortality Database (www.mortality.org). Based on information from these registers, incidence rates of MPNs with 95% confidence intervals (CIs) were calculated. Confidence intervals were estimated on the log scale. In addition, the incidence rate in relation to MPN subtype, age group (18-39, 40-49, 50-59, 60-69, 70-79, and ³80 years), as well as calendar year of diagnosis was assessed. Results A total of 5,442 MPN patients were reported to the cancer register between 2000 and 2012. During these years, there were 1,810 incident cases of PV, 1,862 of ET, 636 of PMF, and 1,134 with MPN-U. Between January 1st 2000 and December 31st 2012, the population in Sweden increased from 8,861,426 to 9,555,893 inhabitants. The overall annual incidence rate of MPN was 5.83 (95% CI 5.68-5.99)/100,000 persons. The incidence rate of PV was 1.94 (1.85-2.03), ET 2.00 (1.91-2.09), PMF 0.68 (0.63-0.74), and MPN-U 1.22 (1.15-1.29) per 100,000 person-years. In addition, there was a strong correlation between age and incidence of MPN with incidence rates being substantially higher among the older age groups (Table). The overall incidence rate of MPNs increased during the study period, from 5.06 (4.55-5.62)/100,000 person-years in the year 2000 to 5.98 (5.45-6.55)/100,000 person-years in 2012. The incidence rate of PV was similar throughout the study period, the incidence was 2.05 (1.74-2.42)/100,000 person-years in 2000 and 2.12 (1.81-2.47)/100,000 person-years in 2012. The annual incidence rate of ET and PMF increased, from 1.62 (1.34-1.95) to 2.49 (2.15-2.87) per 100,000 persons for ET and from 0.36 (0.24-0.53) to 0.86 (0.67-1.10) per 100,000 persons for PMF between 2000 and 2012. Conversely, the incidence of MPN-U decreased, 1.03 (0.81-1.29) to 0.52 (0.38-0.71)/100,000 person-years between 2000 and 2012. Summary and Conclusions In this large population-based study, the incidence of MPN was higher than previously reported in both European and North American studies. As earlier lower incidence rates likely are an effect of limited coverage of cancer registers, there may be an underreporting of MPNs in many European and American countries. The increase in MPN incidence rates during the study period may reflect increasing life expectancy of the Swedish population, improved reporting to the cancer register as well as changes in the classification and diagnostic systems. Similarly, the decrease in incidence of MPN-U is also likely a result of improved diagnostics during more recent years. In conclusion, the MPN incidences rates reported here are presumably more accurate compared to earlier reports due to the high level of coverage and accuracy of the Swedish registers. Table 1. Incidence rates of MPNs overall and in relation to subtype and age at diagnosis Total number MPN diagnosed 2000-2012 Incidence/100 000 person-years (95% confidence interval) All MPN 5,442 5.83 (5.68-5.99) Subtype PV 1,810 1.94 (1.85-2.03) ET 1,862 2.00 (1.91-2.09) PMF 636 0.68 (0.63-0.74) MPN-U 1,134 1.22 (1.15-1.29) Age at diagnosis (years) 18-39 226 0.67 (0.59-0.76) 40-49 361 2.26 (2.04-2.51) 50-59 769 4.92 (4.58-5.28) 60-69 1,228 9.54 (9.02-10.1) 70-79 1,680 18.99 (18.1-19.9) >80 1,178 18.92 (17.87-20.03) Disclosures Landgren: BMJ Publishing: Honoraria; Bristol-Myers Squibb: Honoraria; Medscape: Honoraria; Onyx: Honoraria; Celgene: Honoraria; International Myeloma Foundation: Research Funding; Medscape: Consultancy; BMJ Publishing: Consultancy; Onyx: Research Funding; Bristol-Myers Squibb: Consultancy; Onyx: Consultancy; Celgene: Consultancy.

scholarly journals Human Cutaneous Leishmaniosis in Iran, Up to Date-2019

2021 ◽  
Author(s):  
Mohamad Reza Razavi ◽  
Mohammad Reza Shirzad ◽  
Mehdi Mohebali ◽  
Mohammad Reza Yaghoobi-Ershadi ◽  
Hassan Vatandoost ◽  
...  
Keyword(s):  
Cutaneous Leishmaniasis ◽  
Incidence Rate ◽  
Surveillance System ◽  
Endemic Area ◽  
Control Program ◽  
Vector Borne Diseases ◽  
Control Programs ◽  
The World ◽  
Vector Borne ◽  
Cutaneous Leishmaniosis

Cutaneous leishmaniasis is a neglected and parasitic vector borne diseases that is endemic in tropical and subtropical countries, including Iran. The aim of this study was to explain the present status of CL in Iran. This report is based on data that recorded by cutaneous leishmaniasis surveillance system in 2019, and evalu­ated in Center for Communicable Diseases Management in Ministry of Health in Iran. Iran has been considered an endemic area for cutaneous leishmani­asis in the world. Dependent to activities for cutaneous leishmaniasis control the number of cases decreased from 23202 in 2008 (Incidence rate 32 per 100000) to 13124 in 2019 (Incidence rate 15.8 per 100000), more cases reported from September to December, in 2019, 46% of cases had one lesion and 21% had 2 lesions, 85% of cases diagnosed when the diameter of lesions had 3 centimeters and bellows. Although the Leishmania control program began in 1977, the incidence of the disease has dropped dramat­ically since 2008 when the new cutaneous leishmaniasis control program have been implemented. Although in some areas the inci­dence of the disease increased, but the implementation of the new program has reduced the number of cas­es, in order to continue reducing the disease, permanent support for the control programs is needed.

Morbidity pattern by age, sex and breed in insured cats in Japan (2008–2013)

2016 ◽  
Vol 18 (12) ◽  
pp. 1013-1022 ◽  
Author(s):  
Mai Inoue ◽  
Atsuhiko Hasegawa ◽  
Katsuaki Sugiura
Keyword(s):  
Incidence Rate ◽  
Incidence Rates ◽  
Annual Incidence ◽  
Annual Incidence Rate ◽  
Insurance Claim ◽  
Diagnostic Categories ◽  
Urinary Tract Disorders ◽  
Dermatological Disorders ◽  
Using Data ◽  
Diagnostic Decision Making

Objectives The aim of the study was to describe the morbidity pattern of different diagnostic categories in insured cats in Japan by age, sex and breed. Methods The annual incidence rates of having at least one insurance claim were calculated overall and stratified by diagnosis, age, sex and breed using data from insured cats in the period April 2008 to March 2013. Results The overall annual incidence rate of having at least one insurance claim was 4632 (95% confidence interval 4608–4656) cats per 10,000 cat-years at risk. The highest annual incidence rate was obtained for digestive system disorders, followed by urinary tract disorders and dermatological disorders. The incidence rates varied between breeds for most diagnostic categories: for cardiovascular system disorders, Scottish Fold, American Shorthair, Persian, Maine Coon, Norwegian Forest Cat, Ragdoll and Bengal had a higher annual incidence rate than crossbreeds. Conclusions and relevance This study provides comparative and quantitative estimates of morbidity pattern in insured Japanese cats. These estimates can be utilised by veterinary practitioners, breeders and owners in diagnostic decision-making, breeding and when selecting a new pet, respectively.

scholarly journals High incidence and prevalence of MS in Møre and Romsdal County, Norway, 1950–2018

2020 ◽  
Vol 7 (3) ◽  
pp. e713 ◽  
Author(s):  
Johannes Sverre Willumsen ◽  
Jan Harald Aarseth ◽  
Kjell-Morten Myhr ◽  
Rune Midgard
Keyword(s):  
Multiple Sclerosis ◽  
Observational Study ◽  
Population Based ◽  
Incidence Rates ◽  
Prevalence Rates ◽  
Data Set ◽  
Aggregated Data ◽  
Western Norway ◽  
High Incidence ◽  
Average Annual Incidence

ObjectiveTo determine prevalence and longitudinal trends in incidence of MS in Møre and Romsdal County, Western Norway, from 1950 to 2018.MethodsRetrospective longitudinal population-based observational study. All patients diagnosed, or living, with MS in Møre and Romsdal were identified as incident or prevalent cases from local, regional, and national sources. We compiled the data in the Norwegian Multiple Sclerosis Registry and Biobank and used the aggregated data set to calculate incidence and prevalence rates using population measures obtained from Statistics Norway.ResultsOn January 1, 2018, the estimated prevalence was 335.8 (95% CI, 314.1–358.5) per 100,000 inhabitants, with a female:male ratio of 2.3. From 1950 through 2017, we observed a considerable (p < 0.001) increase in average annual incidence rates from 2.1 (95% CI, 1.3–3.3) to 14.4 (95% CI, 11.9–17.3) per 100,000. From 2005 through 2017, the incidence among women increased from 17.1 (95% CI, 14.0–20.7) to 23.2 (95% CI, 18.7–28.5) per 100,000, whereas the incidence among men declined from 10.3 (95% CI, 7.9–13.2) to 5.9 (95% CI, 3.4–8.8) per 100,000.ConclusionMøre and Romsdal County in Western Norway has the highest prevalence of MS reported in Norway. The incidence has steadily increased since 1950, and during the latest 15 years, we observed opposing trends in sex-specific incidence rates.

scholarly journals MO374DISCLOSURE OF THE RESULTS OF A 40-YEARS RESEARCH OF UPPER TRACT UROTHELILAL CANCER AND BALKAN ENDEMIC NEPHROPATHY

2021 ◽  
Vol 36 (Supplement_1) ◽  
Author(s):  
Stevan Glogovac ◽  
Zorica Dimitrijevic ◽  
Miomir Stojanovic ◽  
Danijela Tasic ◽  
Karolina Paunovic ◽  
...  
Keyword(s):  
Incidence Rate ◽  
Linear Trend ◽  
Annual Incidence ◽  
Balkan Endemic Nephropathy ◽  
Annual Incidence Rate ◽  
Upper Tract ◽  
Clinical Center ◽  
Average Annual Incidence ◽  
Endemic Nephropathy ◽  
Observation Period

Abstract Background and Aims The general significance of Balkan endemic nephropathy (BEN) is the association with upper tract urtohelial cancer (UTUC). In published papers studying these two entities, there is large difference between the obtained results. By UTUC research, obtained results are the most diverse in relation to the period and region of research. The aim of the research is to show the discrepancy between the results of the research of UTUC of Jablanica district in relation to the observation period and the type of settlement. Method The research period lasted from 1978-2017. During the analysis of the frequency of UTUC, we used the operative material of Urology Department, Health Care Center, Leskovac , and Urology Clinic, Clinical Center, Nis, Clinical Center, Nis. For practical reasons, this period was devided into two periods, the first (1978-1997) and the second (1998-2017). In order to make classification of settlements we used the data of the Institute of Nephrology and Hemodialysis in Nis (A-endemic regions, B-hypo-endemic, C-non-endemic urban, D-non-endemic rural regions). Data on the total number of Jablanica region population were obtained on the basis of the censuses from 1991 and 2011. The average annual incidence rate (AAIR) was calculated per 100 000 people. Finally, we jointly observed groups A and B (endemic areas) C and D (non-endemic areas) for UTUC. Results The average annual incidence rate (AAIR) in the period of 1978-2017 in endemic settlements of Jablanica region was (11.82), while in hypo-endemic was (4.49) and non-endemic (0.83). The data demonstrated that inhabitants of endemic settlements has 14.24 times higher UTUC frequency in comparison to non-endemic settlements in time span of research. Our research in Jablanica region also demonstrated unexpectedly high frequency of on UTUC not only in endemic settlements with BEN (Kutles village- 1 tumor per 99.63 and AAIR 40.15), but also in some of the non-endemic area (Brejanovac village-1 tumour per 98.75 people and AAIR of 40.50; Rudare village-1 tumour per 139.50 people and AAIR of 28.67; Bogojevce village-1 tumour per 187.63 people and AAIR 21.32). This occurrence of UTUC frequency in some non-endemic settlements refers to the first observed period until no occurrence was recorded in the second observed period. There is a higher UTUC frequency in endemic settlements of 11.37 in the first period (A- AAIR 21.95), while in hypo-endemic (B-AAIR 11.82) is 3.64 higher incedence. In non-endemic settlements (C,D-AAIR 1.09) there is 1.63 higher incidence in comparison to the second period. Observing the periods, there is a higher UTUC frequency of five times in endemic settlements (A, B) of Jablanica region in the first period comparing to the second. The linear trend of UTUC in the 40-year period demonstrates a slow decrease (y= -0.0797x + 4.2846; r2 = 0.2028) in Jablanica region. In the same observed period, linear trend of BEN is in corelation of decreased linear trend of UTUC (y= -0.164x+6.0669; r2 =0.748). Conclusion A forty-year study of UTUC in the Jablanica region showed a discrepancy between the results in relation to the observation period and the type of settlement, which coincides with the generally accepted view that epidemiology is the most fascinating part of BEN. In endemic settlements, in the second observed period, the frequency of UTUC was registered five times lower than in the first, which coincides with the decrease in the frequency of BEN in these settlements.

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