Table 1 Comparison of sociodemographic characteristics of patients in case and control groups
All (n = 157,817) | Control group (n = 143,470) | Case group (n = 14,347) | P-value | |
|---|---|---|---|---|
Age group (years old) | 0.999 | |||
15≦ ~ < 25 | 46,530 (29.48) | 42,300 (29.48) | 4,230 (29.48) | |
25≦ ~ < 35 | 67,056 (42.49) | 60,960 (42.49) | 6,096 (42.49) | |
35≦ ~ < 45 | 28,787 (18.24) | 26,170 (18.24) | 2,617 (18.24) | |
45≦ ~ < 55 | 10,967 (6.95) | 9,970 (6.95) | 997 (6.95) | |
> 55 | 4,477 (2.84) | 4,070 (2.84) | 407 (2.84) | |
Male gender | 152,383 (96.56) | 138,530 (96.56) | 13,853 (96.56) | > 0.999 |
Calendar year of the index date | > 0.999 | |||
2009 | 18,028 (11.42) | 16,250 (11.43) | 1,625 (11.33) | |
2010 | 19,708 (12.49) | 17,920 (12.49) | 1,792 (12.49) | |
2011 | 21,577 (13.67) | 19,580 (13.67) | 1,958 (13.65) | |
2012 | 24,216 (15.34) | 21,990 (15.35) | 2,199 (15.33) | |
2013 | 24,479 (15.51) | 22,260 (15.51) | 2,226 (15.52) | |
2014 | 24,610 (15.59) | 22,330 (15.60) | 2,233 (15.56) | |
2015 | 25,199 (15.97) | 23,140 (15.95) | 2,314 (16.13) | |
Comorbidities | ||||
Cerebral vascular disease | 1,841 (1.17) | 1,730 (1.21) | 111 (0.77) | < 0.001 |
Chronic lung disease | 7,963 (5.05) | 7,237 (5.04) | 726 (5.06) | 0.933 |
Diabetes mellitus | 6,375 (4.04) | 6,052 (4.22) | 323 (2.25) | < 0.001 |
Renal disease | 1,389 (0.88) | 1,320 (0.92) | 69 (0.48) | < 0.004 |