Letter to the editor: RE: Risk of periodontal disease in patients with asthma: A nationwide population-based retrospective cohort study

2018 ◽  
Vol 89 (5) ◽  
pp. 517-517
Author(s):  
Srinivas Sulugodu Ramachandra
Keyword(s):  
Cohort Study ◽  
Periodontal Disease ◽  
Retrospective Cohort Study ◽  
Retrospective Cohort ◽  
Population Based ◽  
Letter To The Editor

Risk of Periodontal Disease in Patients With Asthma: A Nationwide Population-Based Retrospective Cohort Study

2017 ◽  
Vol 88 (8) ◽  
pp. 723-730 ◽  
Author(s):  
Te-Chun Shen ◽  
Pei-Ying Chang ◽  
Cheng-Li Lin ◽  
Chang-Ching Wei ◽  
Chih-Yen Tu ◽  
...  
Keyword(s):  
Cohort Study ◽  
Periodontal Disease ◽  
Retrospective Cohort Study ◽  
Retrospective Cohort ◽  
Population Based

Reply from authors: RE: Risk of periodontal disease in patients with asthma: A nationwide population-based retrospective cohort study

2018 ◽  
Vol 89 (5) ◽  
pp. 518-518
Author(s):  
Te-Chun Shen ◽  
Pei-Ying Chang ◽  
Cheng-Li Lin ◽  
Chang-Ching Wei ◽  
Chih-Yen Tu ◽  
...  
Keyword(s):  
Cohort Study ◽  
Periodontal Disease ◽  
Retrospective Cohort Study ◽  
Retrospective Cohort ◽  
Population Based

scholarly journals Comparison of adverse perinatal outcomes between Asians and Caucasians: a population-based retrospective cohort study in Ontario

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Na Zeng ◽  
Erica Erwin ◽  
Wendy Wen ◽  
Daniel J. Corsi ◽  
Shi Wu Wen ◽  
...  
Keyword(s):  
Cohort Study ◽  
Birth Weight ◽  
Preterm Birth ◽  
Cesarean Section ◽  
Gestational Age ◽  
Retrospective Cohort Study ◽  
Retrospective Cohort ◽  
Perinatal Outcomes ◽  
Population Based ◽  
Adverse Perinatal Outcomes

Abstract Background Racial disparities in adverse perinatal outcomes have been studied in other countries, but little has been done for the Canadian population. In this study, we sought to examine the disparities in adverse perinatal outcomes between Asians and Caucasians in Ontario, Canada. Methods We conducted a population-based retrospective cohort study that included all Asian and Caucasian women who attended a prenatal screening and resulted in a singleton birth in an Ontario hospital (April 1st, 2015-March 31st, 2017). Generalized estimating equation models were used to estimate the independent adjusted relative risks and adjusted risk difference of adverse perinatal outcomes for Asians compared with Caucasians. Results Among 237,293 eligible women, 31% were Asian and 69% were Caucasian. Asians were at an increased risk of gestational diabetes mellitus, placental previa, early preterm birth (< 32 weeks), preterm birth, emergency cesarean section, 3rd and 4th degree perineal tears, low birth weight (< 2500 g, < 1500 g), small-for-gestational-age (<10th percentile, <3rd percentile), neonatal intensive care unit admission, and hyperbilirubinemia requiring treatment, but had lower risks of preeclampsia, macrosomia (birth weight > 4000 g), large-for-gestational-age neonates, 5-min Apgar score < 7, and arterial cord pH ≤7.1, as compared with Caucasians. No difference in risk of elective cesarean section was observed between Asians and Caucasians. Conclusion There are significant differences in several adverse perinatal outcomes between Asians and Caucasians. These differences should be taken into consideration for clinical practices due to the large Asian population in Canada.

scholarly journals Early cholecystectomy for acute cholecystitis: a population-based retrospective cohort study of variation in practice

CMAJ Open ◽  
2013 ◽  
Vol 1 (2) ◽  
pp. E62-E67 ◽  
Author(s):  
C. de Mestral ◽  
A. Laupacis ◽  
O. D. Rotstein ◽  
J. S. Hoch ◽  
B. Haas ◽  
...  
Keyword(s):  
Cohort Study ◽  
Acute Cholecystitis ◽  
Retrospective Cohort Study ◽  
Retrospective Cohort ◽  
Population Based ◽  
Early Cholecystectomy
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