• Te-Chun Shen, Biing-Ru Wu, Hsuan-Ju Chen, Cheng-Li Lin, Chang-Ching Wei, Chia-Hung Chen, Chih-Yen Tu, Te-Chun Hsia, Chuen-Ming Shih, Wu-Huei Hsu, Fung-Chang Sung, and Chia-Hung Kao.
• From the Graduate Institute of Clinical Medicine Science (T-CS, C-HC, F-CS, C-HK), College of Medicine; Division of Pulmonary and Critical Care Medicine (T-CS, B-RW, C-HC, C-YT, T-CH, C-MS, W-HH), Department of Internal Medicine; Management Office for Health Data(H-JC, C-LL, F-CS); Children's Hospital (C-CW); Department of Health Services Administration (F-CS), China Medical University, Taichung, Taiwan; Mahidol University Faculty of Public Health, Bangkok (F-CS), Thailand; and Department of Nuclear Medicine and PET Center (C-HK), China Medical University Hospital, Taichung, Taiwan.
• Medicine (Baltimore). 2016 Mar 1; 95 (10): e3066e3066.

AbstractNo large-scale population-based cohort study has ever investigated the risk of developing chronic obstructive pulmonary disease (COPD) in patients with Sjögren syndrome (SS). This study evaluated the risk of COPD in women with primary SS (pSS) in a nationwide population.We used the data of the National Health Insurance Research Database of Taiwan to establish a pSS group consisting of 3013 female adults diagnosed between 2000 and 2005, and a non-SS group consisting of 12,052 women without SS matched by a propensity score. Incident COPD cases were identified to the end of 2011. The pSS group to non-SS group adjusted hazard ratios (aHRs) of COPD were estimated using multivariable Cox proportional hazards regression analysis.After a mean follow-up period of 7.99 years, the incidence of COPD was 1.4-fold greater in the pSS group than in the non-SS group (3.87 vs 2.77 per 1000 person-years) with an aHR of 1.39 (95% confidence interval [CI] = 1.10-1.75, P = 0.007). The COPD incidence was 7-fold greater for women aged 50 years and above than women aged 20 to 49, with the aHR of 4.24 (95% CI = 3.06-5.88, P < 0.001). Comorbidity increased the COPD risk further for women with pSS. Women with both pSS and comorbidity had an aHR of 3.11 (95% CI = 2.23-4.33, P < 0.001) for COPD, compared to those free of both pSS and comorbidity.Women with pSS are at a greater risk of developing COPD than those without SS. Patients with SS require close monitoring to prevent COPD development, particularly for those with comorbidity.

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