Copyright: ©Author(s) 2026.
World J Gastroenterol. Jul 21, 2026; 32(27): 120681
Published online Jul 21, 2026. doi: 10.3748/wjg.120681
Published online Jul 21, 2026. doi: 10.3748/wjg.120681
Table 1 Demographic characteristics of adult nongeriatric and geriatric patients with inflammatory bowel disease
| Total, n = 1245 | UC, n = 618 | CD, n = 627 | |||||||
| Older-onset, | Younger-onset, | P value/OR (95%CI) | Older-onset UC, n = 39 | Younger-onset UC, | P value/OR (95%CI) | Older-onset CD, n = 17 | Younger-onset CD, | P value/OR (95%CI) | |
| Age at the onset of IBD (median year) | 71.5 | 46 | < 0.001 | 72 | 49 | < 0.001 | 71 | 43 | < 0.001 |
| Total disease duration (median year) | 6 | 11 | < 0.001 | 6 | 12 | < 0.001 | 6 | 11 | < 0.001 |
| Prodromal period (median month) | 3 | 4 | 0.687 | 2 | 1 | 0.247 | 7 | 11 | 0.976 |
| Female/male | 15 (27)/41 (73) | 464 (42)/725 (58) | 0.066 | 8 (21)/31 (79) | 215 (37)/364 (63) | 0.036 | 7 (41)/10 (59) | 249 (41)/361 (59) | 0.036 |
| Smokers (current/ex/non) | 6 (10)/29 (52)/21 (38) | 277 (23)/368 (31)/544 (46) | 0.003 | 4 (10)/20 (51)/15 (39) | 75 (13)/206 (36)/298 (51) | 0.143 | 2 (12)/9 (53)/6 (35) | 202 (33)/162 (27)/246 (40) | 0.04 |
| Family history of IBD | 2 (4) | 155 (13) | 0.03/0.25 (0.06-1.01) | 1 (2.6) | 80 (13.8) | 0.044 | 1 (5.9) | 75 (12.3) | 0.708 |
| Surgery during follow-up | 20 (35.7) | 464 (39) | 0.619 | 8 (20.5) | 89 (15.4) | 0.393 | 12 (70.6) | 375 (61.5) | 0.446 |
| Hospitalized at the time of diagnosis | 13 (23.2) | 422 (35.5) | 0.060 | 5 (12.8) | 142 (24.5) | 0.097 | 8 (47.1) | 280 (45.9) | 0.925 |
| Hospitalized for conditions related to IBD | 23 (41.1) | 571 (48) | 0.309 | 14 (35.9) | 184 (31.8) | 0.594 | 9 (52.9) | 387 (63.4) | 0.376 |
| BMI (kg/m2) | 25 | 24 | 0.109 | 24.5 | 25 | 0.663 | 29 | 23 | 0.016 |
| UC/CD | 39 (69.6)/17 (30.4) | 579 (48.7)/610 (51.3) | 0.002/2.42 (1.35-4.32) | - | - | - | - | - | - |
| UC (disease extent) | |||||||||
| Proctitis | 6 (15.4) | 53 (9.2) | 0.414 | 6 (15.4) | 53 (9.2) | 0.414 | - | - | - |
| Left side | 17 (43.6) | 288 (49.7) | 17 (43.6) | 288 (49.7) | - | - | - | ||
| Extensive | 16 (41) | 238 (41.1) | 16 (41) | 238 (41.1) | - | - | - | ||
| CD (disease location) | |||||||||
| Ileal (L1) | 9 (52.9) | 260 (42.9) | 0.005 | - | - | - | 9 (52.9) | 260 (42.9) | 0.005/1.49 (1.10-2.10) |
| Colonic (L2) | 1 (5.9) | 81 (13.1) | - | - | - | 1 (5.9) | 81 (13.1) | ||
| Ileo-colonic (L3) | 5 (29.4) | 267 (43.4) | - | - | - | 5 (29.4) | 267 (43.4) | ||
| Upper GI disease (L4) | 2 (11.8) | 2 (0.6) | - | - | - | 2 (11.8) | 2 (0.6) | ||
| CD (disease behavior) | - | ||||||||
| Inflammatory disease (B1) | 12 (70.6) | 457 (74.8) | 0.065 | - | - | - | 12 (70.6) | 457 (74.8) | 0.065 |
| Stenosing (B2) | 4 (23.5) | 49 (8.5) | - | - | - | 4 (23.5) | 49 (8.5) | ||
| Penetrating (B3) | 1 (5.9) | 104 (16.7) | - | - | - | 1 (5.9) | 104 (16.7) | ||
| CD P (perianal disease) | 3 (17.6) | 202 (32.7) | 0.180 | - | - | - | 3 (17.6) | 202 (32.7) | 0.180 |
| EIMs | 18 (32.1) | 606 (51) | 0.006/0.46 (0.26-0.81) | 12 (30.8) | 272 (47) | 0.04/0.50 (0.25-1.02) | 6 (35.3) | 334 (54.8) | 0.112 |
| Erythema nodosum | 0 | 27 | 0.630 | 0 | 11 | 1.0 | 0 | 16 | 1.0 |
| Pyoderma gangrenous | 0 | 9 | 1.0 | 0 | 3 | 1.0 | 0 | 6 | 1.0 |
| Peripheral arthralgia | 10 | 380 | 0.026 | 6 | 168 | 0.067 | 4 | 212 | 0.337 |
| Peripheral arthritis | 0 | 107 | 0.012 | 0 | 36 | 0.157 | 0 | 71 | 0.241 |
| Back pain | 9 | 201 | 0.871 | 5 | 82 | 0.816 | 4 | 119 | 0.756 |
| Ankylosing spondylitis | 1 | 68 | 0.363 | 1 | 27 | 1.0 | 0 | 41 | 0.619 |
| Sacroiliitis | 0 | 31 | 0.396 | 0 | 10 | 1.0 | 0 | 21 | 1.0 |
| Aphthous ulcer | 4 | 238 | 0.017 | 2 | 122 g | 0.016/0.20 (0.05-0.86) | 2 | 116 | 0.752 |
| Thromboembolism | 0 | 31 | 0.396 | 0 | 15 | 0.615 | 0 | 16 | 1.0 |
| Osteoporosis | 2 | 19 | 0.243 | 2 | 7 | 0.105 | 0 | 12 | 1.0 |
| PSC | 2 | 19 | 0.243 | 2 | 7 | 0.105 | 0 | 12 | 1.0 |
| Uveitis | 0 | 16 | 1.0 | 0 | 6 | 1.0 | 0 | 10 | 1.0 |
| Episcleritis | 0 | 5 | 0 | 2 | 1.0 | 0 | 3 | 1.0 | |
| Medications (conventional) | |||||||||
| Thiopurine | 9 (16.1) | 391 (32.9) | 0.008/0.39 (0.19-0.81) | 7 (17.9) | 100 (17.3) | 0.914 | 2 (11.8) | 291 (47.7) | 0.003/0.08 (0.01-0.41) |
| Methotrexate | 0 | 51 (4.3) | 0.165 | 0 | 5 (0.9) | 1.0 | 0 | 46 (7.5) | 0.628 |
| Sulfasalazine | 0 | 53 (4.5) | 0.167 | 0 | 10 (1.7) | 1.0 | 0 | 43 (7) | 0.622 |
| Mesalazine | 10 (17.9) | 407 (34.2) | 0.011 | 8 (20.5) | 122 (21.1) | 0.934 | 2 (11.8) | 285 (46.7) | 0.004 |
| Budesonide | 11 (19.6) | 324 (27.2) | 0.210 | 9 (23.1) | 114 (19.7) | 1.0 | 2 (11.8) | 210 (34.4) | 0.243 |
| Steroids | 0 | 75 (6.3) | 0.044 | 0 | 2 (0.3) | 0.608 | 0 | 73 (12) | 0.051 |
| Cyclosporin | 1 (1.8) | 1 (0.1) | 0.088 | 0 | 0 | 0.914 | 0 | 0 | - |
| Biological therapy | 15 (26.8) | 586 (49.3) | 0.001/0.38 (0.21-0.69) | 11 (28.2) | 157 (27.1) | 0.882 | 4 (23.5) | 429 (70.3) | < 0.001/0.13 (0.04-0.40) |
| Infliximab | 9 (16.1) | 365 (30.7) | 0.02/0.43 (0.20-0.90) | 6 (15.4) | 99 (17.1) | 0.783 | 3 (17.6) | 266 (43.6) | 0.033/0.28 (0.08-0.97) |
| Adalimumab | 6 (10.7) | 384 (32.8) | < 0.001/0.25 (0.11-0.59) | 4 (10.3) | 93 (16.1) | 0.335 | 2 (11.8) | 291 (47.7) | 0.003/0.15 (0.03-0.64) |
| Vedolizumab | 6 (10.7) | 111 (9.3) | 0.730 | 6 (15.4) | 36 (6.2) | 0.041/2.74 (1.08-6.97) | 0 | 75 (12.3) | 0.246 |
| Ustekinumab | 1 (1.8) | 81 (6.8) | 0.173 | 1 (2.6) | 13 (2.2) | 0.603 | 0 | 69 (11.1) | 0.240 |
| Sertolizumab | 0 | 31 (2.6) | 0.396 | 0 | 3 (0.5) | 1.0 | 0 | 28 (4.6) | 1.0 |
| Steroid dependence | 21 (37.5) | 532 (44.7) | 0.286 | 1 (2.6) | 6 (1) | 0.649 | 5 (29.4) | 306 (50.2) | 0.091 |
| Steroid resistance | 4 (7.1) | 30 (2.5) | 0.062 | 4 (10.3) | 16 (2.8) | 0.032 | 0 | 14 (2.3) | 1.0 |
| IM resistance | 8 (14.3) | 409 (34.4) | 0.002/0.32 (0.15-0.68) | 4 (10.3) | 99 (17.1) | 0.267 | 4 (23.5) | 310 (50.8) | 0.026/0.30 (0.10-0.90) |
| Thiopurine side effects | 7 (12.5) | 141 (11.9) | 0.885 | 4 (10.3) | 43 (7.4) | 0.527 | 3 (17.6) | 98 (16.1) | 0.745 |
| Methotrexate side effects | 2 (3.6) | 44 (3.7) | 1.0 | 0 | 2 (0.3) | 1.0 | 0 | 42 (6.9) | 0.338 |
| Biologic resistance/intolerance | 0 | 15 (3) | 1.0 | 0 | 6 (1) | 1.0 | 0 | 9 (1.5) | 0.377 |
| Baseline Hb concentration (mg/L) | 12.6 (2.3) | 13 (2.8) | 0.332 | 13 (2.1) | 12.9 (2.9) | 0.571 | 12.4 (2.3) | 13 (2.8) | 0.445 |
| Baseline albumin concentration (g/L) | 41 (8.75) | 42 (9) | 0.574 | 41 (11) | 43 (8) | 0.093 | 42 (10) | 41 (-) | 0.701 |
| Baseline CRP level (mg/L) | 11.4 (28.7) | 10.2 (26.9) | 0.722 | 4.8 (30.6) | 9.1 (24.3) | 0.491 | 17.3 (23) | 11.7 (31) | 0.724 |
| Baseline CDAI (CD) | 302 (277) | 297 (179) | 0.728 | - | 302 (277) | 297 (178) | 0.377 | ||
| Baseline total Mayo score | 9 (3) | 9 (4) | 0.847 | 9 (3) | 9 (4) | 0.800 | - | 9.3 2.4 | - |
| Baseline partial Mayo score | 7 (2) | 7 (2) | 0.710 | 7 (2) | 7(2) | 0.730 | - | 6.7 1.8 | - |
- Citation: Kivrakoglu F, Kilic V, Ergin M, Kucuk H, Erdogan C, Yuksel I. Clinical characteristics and treatment patterns of older and younger patients with inflammatory bowel disease. World J Gastroenterol 2026; 32(27): 120681
- URL: https://www.wjgnet.com/1007-9327/full/v32/i27/120681.htm
- DOI: https://dx.doi.org/10.3748/wjg.120681