Biologic initiators with UC Biologic initiators with CD
1-year follow-up, n (%) 2-year follow-up, n (%) 1-year follow-up, n (%) 2-year follow-up, n (%)
N 4864 2692 8910 5227
Age, years 18–29 1036 (21.30) 492 (18.28) 2402 (26.96) 1334 (25.52)
30–39 1043 (21.44) 575 (21.36) 1882 (21.12) 1088 (20.82)
40–49 1048 (21.55) 622 (23.11) 1839 (20.64) 1132 (21.66)
50–59 1038 (21.34) 620 (23.03) 1725 (19.36) 1064 (20.36)
60–69 516 (10.61) 275 (10.22) 807 (9.06) 457 (8.74)
70–79 149 (3.06) 90 (3.34) 210 (2.36) 126 (2.41)
80+ 34 (0.70) 18 (0.67) 45 (0.51) 26 (0.50)
Sex Female 2396 (49.26) 1347 (50.04) 4947 (55.52) 2899 (55.46)
Male 2468 (50.74) 1345 (49.96) 3963 (44.48) 2328 (44.54)
Region Midwest 1214 (25.21) 685 (25.60) 2302 (26.12) 1402 (27.05)
Northeast 1022 (21.22) 562 (21.00) 1820 (20.65) 1014 (19.56)
South 1762 (36.59) 976 (36.47) 3353 (38.04) 1966 (37.92)
West 817 (16.97) 453 (16.93) 1339 (15.19) 802 (15.47)
Charlson score 0 3662 (75.29) 2034 (75.56) 6768 (75.96) 4042 (77.33)
1 692 (14.23) 379 (14.08) 1202 (13.49) 668 (12.78)
2 359 (7.38) 204 (7.58) 685 (7.69) 392 (7.50)
3 96 (1.97) 50 (1.86) 167 (1.87) 84 (1.61)
≥4 55 (1.13) 25 (0.93) 88 (0.99) 41 (0.78)
Index date 2010 561 (11.53) 445 (16.53) 1307 (14.67) 1039 (19.88)
2011 935 (19.22) 609 (22.62) 1983 (22.26) 1328 (25.41)
2012 951 (19.55) 714 (26.52) 1833 (20.57) 1385 (26.50)
2013 1022 (21.01) 679 (25.22) 1687 (18.93) 1106 (21.16)
2014 1093 (22.47) 245 (9.10) 1670 (18.74) 369 (7.06)
2015 302 (6.21) 430 (4.83)