Association between allergic or autoimmune diseases and incidence of endometriosis: a nested case‐control study using a health insurance claims database

2021 ◽  
Author(s):  
Erika Yoshii ◽  
Hayato Yamana ◽  
Sachiko Ono ◽  
Hiroki Matsui ◽  
Hideo Yasunaga
Keyword(s):  
Health Insurance ◽  
Autoimmune Diseases ◽  
Case Control Study ◽  
Case Control ◽  
Insurance Claims ◽  
Claims Database ◽  
Health Insurance Claims ◽  
Nested Case Control ◽  
Control Study

scholarly journals Effect of Periodontitis and Scaling and Root Planing on Risk of Pharyngeal Cancer: A Nested Case—Control Study

2020 ◽  
Vol 18 (1) ◽  
pp. 8
Author(s):  
Ping-Ju Chen ◽  
Yin-Yang Chen ◽  
Chiao-Wen Lin ◽  
Ying-Tung Yeh ◽  
Han-Wei Yeh ◽  
...  
Keyword(s):  
Health Insurance ◽  
Oropharyngeal Cancer ◽  
Case Control Study ◽  
Case Control ◽  
Scaling And Root Planing ◽  
Pharyngeal Cancer ◽  
Root Planing ◽  
Increased Risk ◽  
Nested Case Control ◽  
Control Study

This study investigated the association between periodontitis and the risk of pharyngeal cancer in Taiwan. For this population-based nested case–control study using the Longitudinal Health Insurance Database derived from Taiwan’s National Health Insurance Research Database, we identified patients (n = 1292) who were newly diagnosed with pharyngeal cancer between 2005 and 2013 and exactly paired them with propensity score matched control subjects (n = 2584). Periodontitis and scaling and root planing (SRP) were identified before the index date. Pharyngeal cancer was subdivided into 3 subgroups on the basis of anatomic location: nasopharyngeal cancer, oropharyngeal cancer, and hypopharyngeal cancer. A multiple conditional logistic regression model was applied to analyze the adjusted odds ratio (aOR). Periodontitis was associated with an increased risk of pharyngeal cancer (aOR, 1.57; 95% confidence interval (CI), 1.17 to 2.10), especially oropharyngeal cancer (aOR, 2.22; 95% CI, 1.07 to 4.60). We found a decreased risk of pharyngeal cancer in patients who had undergone SRP (aOR, 0.77; 95% CI, 0.61 to 0.96). In conclusion, this study showed that periodontitis was associated with an increased risk of pharyngeal cancer and SRP exerted a protective effect against pharyngeal cancer. Our results suggest that treating periodontitis and performing SRP, which are modifiable factors in oral health, in clinical practice may provide an opportunity to decrease the disease burden of pharyngeal cancer in Taiwan.

scholarly journals Nested Case-Control Study of Selected Systemic Autoimmune Diseases in World Trade Center Rescue/Recovery Workers

2015 ◽  
Vol 67 (5) ◽  
pp. 1369-1376 ◽  
Author(s):  
M. P. Webber ◽  
W. Moir ◽  
R. Zeig-Owens ◽  
M. S. Glaser ◽  
N. Jaber ◽  
...  
Keyword(s):  
Autoimmune Diseases ◽  
World Trade ◽  
Case Control Study ◽  
World Trade Center ◽  
Case Control ◽  
Systemic Autoimmune Diseases ◽  
Trade Center ◽  
Nested Case Control ◽  
Control Study

Association between glycaemic control and fracture risk in diabetic patients: a nested case control study

2019 ◽  
Author(s):  
J Vavanikunnel ◽  
S Charlier ◽  
C Becker ◽  
C Schneider ◽  
SS Jick ◽  
...  
Keyword(s):  
Glycaemic Control ◽  
Fracture Risk ◽  
Case Control Study ◽  
Case Control ◽  
Diabetic Patients ◽  
Nested Case Control ◽  
Control Study
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