Research Article
Effects of Appendectomy on the Onset and Course of Ulcerative Colitis in Chinese Patients
Table 3
Demographic characteristics.
| | UC () | Control () | |
| | Age of UC diagnosis and control (years) | 41.91 ± 15.55 | 42.21 ± 15.02 | 0.778 | | Male sex (%) | 221 (54.98%) | 221 (54.98%) | 1.000 | | Han nationality (%) | 386 (96.02%) | 390 (97.01%) | 0.442 | | Smokers (%) | 85 (21.14%) | 126 (31.34%) | 0.002 | | Alcohol drinker (%) | 64 (15.92%) | 71 (17.66%) | 0.509 | | NSAIDs use (%) | 21 (5.22%) | 16 (3.98%) | 0.400 |
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