Table 1 Demographic factors and comorbidities of study participants according to primary Sjögren’s syndrome status
From: Risk of asthma in patients with primary Sjögren’s syndrome: a retrospective cohort study
Non-SS (N = 18900) | Primary SS (N = 4725) | ||||
|---|---|---|---|---|---|
Variable | n | % | n | % | p-value |
Sex | >0.99 | ||||
Women | 16508 | 87.3 | 4127 | 87.3 | |
Men | 2392 | 12.7 | 598 | 12.7 | |
Age, years | >0.99 | ||||
20 − 39 | 3524 | 18.7 | 881 | 18.7 | |
40 − 59 | 9532 | 50.4 | 2383 | 50.4 | |
≥ 60 | 5844 | 30.9 | 1461 | 30.9 | |
Means (SD) | 52.8 | (14.3) | 53.1 | (14.0) | 0.20 |
Comorbidity | |||||
Allergic rhinitis | 1566 | 8.29 | 997 | 21.1 | <0.001 |
Chronic sinusitis | 281 | 1.49 | 262 | 5.54 | <0.001 |
Atopic dermatitis | 259 | 1.37 | 111 | 2.35 | <0.001 |
COPD | 221 | 1.17 | 132 | 2.79 | <0.001 |
GERD | 77 | 0.41 | 95 | 2.01 | <0.001 |
Obesity | 85 | 0.45 | 20 | 0.42 | 0.90 |