Regression Analysis of Historical Blood Donors to Improve Clinic Scheduling

2020 ◽  
Author(s):  
Geoffrey Pond ◽  
Isabelle Turner
Keyword(s):  
Regression Analysis ◽  
Blood Donors ◽  
Clinic Scheduling

Plasma Levels of Protein S, Protein C, and Factor X: Effects of Sex, Hormonal State and Age

1995 ◽  
Vol 74 (05) ◽  
pp. 1271-1275 ◽  
Author(s):  
C M A Henkens ◽  
V J J Bom ◽  
W van der Schaaf ◽  
P M Pelsma ◽  
C Th Smit Sibinga ◽  
...  
Keyword(s):  
Regression Analysis ◽  
Postmenopausal Women ◽  
Protein C ◽  
Blood Donors ◽  
Premenopausal Women ◽  
Protein S ◽  
The Other ◽  
Factor X ◽  
Normal Ranges

SummaryWe measured total and free protein S (PS), protein C (PC) and factor X (FX) in 393 healthy blood donors to assess differences in relation to sex, hormonal state and age. All measured proteins were lower in women as compared to men, as were levels in premenopausal women as compared to postmenopausal women. Multiple regression analysis showed that both age and subgroup (men, pre- and postmenopausal women) were of significance for the levels of total and free PS and PC, the subgroup effect being caused by the differences between the premenopausal women and the other groups. This indicates a role of sex-hormones, most likely estrogens, in the regulation of levels of pro- and anticoagulant factors under physiologic conditions. These differences should be taken into account in daily clinical practice and may necessitate different normal ranges for men, pre- and postmenopausal women.

scholarly journals ANALISIS FAKTOR-FAKTOR YANG MEMPENGARUHI NIAT UNTUK BERDONOR DARAH SECARA REGULER DI UTD PMI KABUPATEN BANTUL YOGYAKARTA

2020 ◽  
Vol 8 (2) ◽  
pp. 100-107
Author(s):  
Francisca Romana Sri Supadmi ◽  
Nur’Aini Purnamaningsih ◽  
Rijantono Franciscus Maria
Keyword(s):  
Regression Analysis ◽  
Theory Of Planned Behavior ◽  
Planned Behavior ◽  
Significant Influence ◽  
Blood Donors ◽  
Behavioral Control ◽  
Linear Regression Analysis ◽  
Multiple Linear Regression Analysis ◽  
Subjective Norms ◽  
Sampling Techniques

Background: Blood supplies estimated to be around 2% of the total population1. However, only 1.88 million bags of blood can be met or 40% of the total needs, so there is a 60% lack of blood from the minimum requirement2. Objective: The purpose of this study was to analyze the factors that influence the intention to donate blood regularly at UTD PMI Bantul Regency Yogyakarta using the Theory of Planned Behavior (TPB) approach. Methods: This research was conducted at UTD PMI Bantul Regency, Yogyakarta in September-December 2018. The number of respondents was 35 voluntary blood donors, with sampling techniques using accidental sampling. Results: The results of multiple linear regression analysis show that attitudes, subjective norms, and behavioral control have a significant effect on the intention to donate. While the results of the regression analysis partially, based on a significant level of value, attitudes have a significant influence on one's intention in donating, while subjective norms and behavioral control do not significantly influence one's intentions in donating. Conclusion: The attitude had the most significant influence on the intention to donate regularly on UTD PMI Bantul Regency Yogyakarta using the Theory of Planned Behavior (TPB) approach.

Applicability of an Enzyme-linked Immunosorbant Assay for Neopterin Detection for Screening of Blood Donations

Pteridines ◽  
1994 ◽  
Vol 5 (2) ◽  
pp. 49-54 ◽  
Author(s):  
Peter Mayersbach ◽  
Roman Augustin ◽  
Harald Schennach ◽  
Dietmar Fuchs ◽  
Ernst R. Werner ◽  
...  
Keyword(s):  
High Performance Liquid Chromatography ◽  
Regression Analysis ◽  
Liquid Chromatography ◽  
Linear Regression ◽  
High Performance ◽  
Blood Donors ◽  
Linear Regression Analysis ◽  
Immunosorbant Assay ◽  
Enzyme Linked Immunosorbant Assay ◽  
Better Than

Summary We have evaluated a new commercially available enzyme-linked immunorsorbant assay for neopterin :or its suitability in the context of screening of voluntary blood donors. The assay was performed on 1040 consecutive blood donors, and compared with radioimmunoassay and. in a fraction of 142 donors . . : Iso with high performance liquid chromatography. On repetitive assays of all donations showing a concentration exceeding 8.0 nmol/L in the initial assay. three of the radioimmunoassay results were identified as gross outliers. No such gross outliers were detected for the enzyme-linked immunosorbant assay. RegarJing the reproducibility of results exceeding a cut-off limit of \0 nmol/L neopterin. the enzyme-linked ;mmunosorbant assay was better than the radioimmunoassay. Moreover. the enzyme-linked immunosorbant assay was slightly superior to radioimmunoassay when both tests were compared with high performance liquid chromatography (based on linear regression analysis. evaluation of frequencies of concentrations bant assay was slightly superior to radioimmunoassay when both tests were compared with high performance liquid chromatography (based on linear regression analysis. evaluation of frequencies of concentrations rations. Its slight superiority compared to the conventional radioimmunoassay likely results from the higher degree of automatization employed.

Behavioural risk factors for HIV infection amongst blood donors in London

1996 ◽  
Vol 6 (1) ◽  
pp. 31-36 ◽  
Author(s):  
F. M. Cowan ◽  
A. M. Johnson ◽  
J. Wadsworth ◽  
M. Brennan
Keyword(s):  
Risk Factors ◽  
Hiv Infection ◽  
Blood Donors ◽  
Behavioural Risk Factors

Frequency of RHD variants in serologically weak D Turkish blood donors

2020 ◽  
pp. 103024
Author(s):  
Melek Yanasik ◽  
Fatma Savran Oguz ◽  
Sevgi Kalayoglu Besisik ◽  
Mukadder Huslu ◽  
Gulyuz Ozturk ◽  
...  
Keyword(s):  
Blood Donors

Regression Analysis of Count Data

1998 ◽  
Author(s):  
A. Colin Cameron ◽  
Pravin K. Trivedi
Keyword(s):  
Regression Analysis ◽  
Count Data

The estimation of residual variance in regression analysis

Optimization ◽  
1972 ◽  
Vol 3 (5) ◽  
pp. 373-388
Author(s):  
Hilmar Drygas
Keyword(s):  
Regression Analysis ◽  
Residual Variance

Poor Acceptance of the Past is Related to Depressive Symptoms in Older Adults

GeroPsych ◽  
2020 ◽  
Vol 33 (4) ◽  
pp. 246-251
Author(s):  
Gozde Cetinkol ◽  
Gulbahar Bastug ◽  
E. Tugba Ozel Kizil
Keyword(s):  
Older Adults ◽  
Regression Analysis ◽  
Depressive Symptoms ◽  
Death Anxiety ◽  
Geriatric Depression ◽  
Ego Integrity ◽  
The Past ◽  
Depressed Group ◽  
Total Death ◽  
The Relationship

Abstract. Depression in older adults can be explained by Erikson’s theory on the conflict of ego integrity versus hopelessness. The study investigated the relationship between past acceptance, hopelessness, death anxiety, and depressive symptoms in 100 older (≥50 years) adults. The total Beck Hopelessness (BHS), Geriatric Depression (GDS), and Accepting the Past (ACPAST) subscale scores of the depressed group were higher, while the total Death Anxiety (DAS) and Reminiscing the Past (REM) subscale scores of both groups were similar. A regression analysis revealed that the BHS, DAS, and ACPAST predicted the GDS. Past acceptance seems to be important for ego integrity in older adults.

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