TABLE 1.
Demographics among hospitalised patients with IBD
| No VTE N (%) | VTE N (%) | |
|---|---|---|
| IBD category | ||
| Crohn’s disease | 2,988,947 (63.17%) | 70,267 (54.79%) |
| Ulcerative colitis | 1,711,884 (36.18%) | 57,174 (44.59%) |
| Indeterminate colitis | 30,659 (0.65%) | 795 (0.62%) |
| Age (years) | ||
| ≤ 18 | 35,327 (0.75%) | 289 (0.23%) |
| 19–30 | 730,434 (15.44%) | 9831 (7.67%) |
| 31–40 | 743,660 (15.72%) | 14,489 (11.30%) |
| 41–50 | 756,410 (15.99%) | 18,348 (14.31%) |
| 51–65 | 1,148,590 (24.28%) | 36,683 (28.61%) |
| 66–80 | 938,711 (19.84%) | 35,369 (27.58%) |
| ≥ 81 | 378,358 (8.00%) | 13,227 (10.31%) |
| Sex | ||
| Female | 2,713,188 (57.37%) | 69,431 (54.16%) |
| Male | 2,015,762 (42.63%) | 58,776 (45.84%) |
| Race | ||
| Non-Hispanic White | 3,281,712 (69.36%) | 90,931 (70.91%) |
| Non-Hispanic Black | 412,285 (8.71%) | 12,233 (9.54%) |
| Hispanic | 220,310 (4.66%) | 4920 (3.84%) |
| Other | 145,671 (3.08%) | 3391 (2.64%) |
| Unknown | 671,512 (14.19%) | 16,762 (13.07%) |
| Median household zip code income quartile | ||
| Highest | 1,306,492 (27.61%) | 26,889 (20.97%) |
| High | 1,199,318 (25.35%) | 30,146 (23.51%) |
| Low | 1,147,784 (24.26%) | 32,721 (25.52%) |
| Lowest | 989,170 (20.91%) | 36,029 (28.10%) |
| Missing | 88,727 (1.88%) | 2452 (1.91%) |
| Insurance status | ||
| Private | 2,002,393 (42.32%) | 46,217 (36.04%) |
| Medicare | 1,789,574 (37.82%) | 61,860 (48.24%) |
| Medicaid | 558,772 (11.81%) | 12,275 (9.57%) |
| Self-pay | 207,747 (4.39%) | 3747 (2.92%) |
| No charge | 22,845 (0.48%) | 462 (0.36%) |
| Other | 141,154 (2.98%) | 3428 (2.67%) |
| Chronic anticoagulation use | ||
| No | 4,562,264 (96.42%) | 113,545 (88.54%) |
| Yes | 169,226 (3.58%) | 14,692 (11.46%) |
| Chronic corticosteroid use | ||
| No | 4,515,780 (95.44%) | 120,493 (93.96%) |
| Yes | 215,710 (4.56%) | 7744 (6.04%) |
| Comorbidities | ||
| None | 1,091,922 (23.08%) | 26,748 (20.86%) |
| One | 1,187,825 (25.1%) | 32,355 (25.23%) |
| ≥ 2 | 2,451,738 (51.82%) | 69,133 (53.91%) |
| Cancer | ||
| No | 4,562,410 (96.43%) | 121,018 (94.37%) |
| Yes | 169,076 (3.57%) | 7219 (5.63%) |
| History of VTE | ||
| No | 4,517,656 (95.48%) | 112,978 (88.1%) |
| Yes | 213,835 (4.52%) | 15,258 (11.9%) |
| History of thrombophilia | ||
| No | 4,638,910 (98.04%) | 117,880 (91.92%) |
| Yes | 92,581 (1.96%) | 10,357 (8.08%) |
| Colorectal surgery | ||
| No | 4,366,566 (92.29%) | 118,780 (92.63%) |
| Yes | 364,925 (7.71%) | 9456 (7.37%) |
| Clostridioides difficile | ||
| No | 4,558,964 (96.35%) | 119,623 (93.28%) |
| Yes | 172,527 (3.65%) | 8613 (6.72%) |
| GI procedure | ||
| No GI procedure | 4,589,071 (96.99%) | 123,455 (96.27%) |
| Flex sig/colonoscopy | 142,420 (3.01%) | 4781 (3.73%) |
| Year category | ||
| 2000–2004 | 886,405 (18.73%) | 19,509 (15.21%) |
| 2005–2009 | 1,166,040 (24.64%) | 31,451 (24.53%) |
| 2010–2014 | 1,443,786 (30.51%) | 40,206 (31.35%) |
| 2014–2018 | 1,235,260 (26.11%) | 37,070 (28.91%) |
Abbreviations: Flex Sig, Flexible Sigmoidoscopy; GI, Gastrointestinal; IBD, Inflammatory Bowel Disease; VTE, Venous Thromboembolism.