Table 3. Characteristics of individuals in overall data set and in latent classes.
| Class 1 | Class 2 | Class 3 | Class 4 | Class 5 | Class 6 | Class 7 | Class 8 | Class 9 | Total | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Subjects
|
407 | 163 | 136 | 33 | 32 | 24 | 18 | 17 | 15 | 845 | |||
| Age at diagnosis | |||||||||||||
| <17 | 94 (24%) | 53 (33%) | 45 (33%) | 5 (15%) | 0 (0%) | 9 (38%) | 5 (28%) | 8 (47%) | 0 (0%) | 219 (28%) | |||
| 17-40 | 276 (69%) | 98 (61%) | 79 (59%) | 27 (82%) | 1 (100%) | 14 (58%) | 11 (61%) | 8 (47%) | 1 (100%) | 515 (65%) | |||
| >=40 | 30 (8%) | 10 (6%) | 11 (8%) | 1 (3%) | 0 (0%) | 1 (4%) | 2 (11%) | 1 (6%) | 0 (0%) | 56 (7%) | |||
| Disease location | |||||||||||||
| Terminal ileum at diagnosis | 251 (65%) | 122 (77%) | 99 (75%) | 22 (67%) | 1 (100%) | 22 (92%) | 14 (82%) | 8 (53%) | 1 (100%) | 540 (71%) | |||
| Terminal ileum at follow-up | 307 (77%) | 139 (86%) | 116 (85%) | 25 (76%) | 1 (100%) | 24 (100%) | 16 (89%) | 12 (71%) | 1 (100%) | 641 (81%) | |||
| Colon at diagnosis | 286 (74%) | 115 (73%) | 95 (73%) | 25 (78%) | 1 (100%) | 17 (71%) | 13 (76%) | 13 (76%) | 1 (100%) | 566 (74%) | |||
| Colon at follow-up | 330 (83%) | 129 (80%) | 112 (83%) | 26 (81%) | 1 (100%) | 20 (83%) | 15 (88%) | 14 (82%) | 1 (100%) | 648 (82%) | |||
| Disease behaviour | |||||||||||||
| B1 at diagnosis | 313 (80%) | 120 (75%) | 102 (77%) | 26 (79%) | 0 (0%) | 14 (61%) | 12 (67%) | 16 (94%) | 1 (100%) | 604 (78%) | |||
| B1 at follow-up | 187 (48%) | 67 (42%) | 53 (40%) | 14 (42%) | 0 (0%) | 8 (33%) | 8 (44%) | 7 (41%) | 1 (100%) | 345 (45%) | |||
| Frequency of hospitalisation | |||||||||||||
| Never | 62 (16%) | 21 (13%) | 19 (15%) | 6 (19%) | 0 (0%) | 4 (17%) | 3 (18%) | 3 (18%) | 0 (0%) | 118 (15%) | |||
| Intermediate | 286 (74%) | 125 (79%) | 99 (76%) | 23 (72%) | 1 (100%) | 19 (79%) | 13 (76%) | 10 (59%) | 0 (0%) | 576 (75%) | |||
| Often | 41 (11%) | 13 (8%) | 12 (9%) | 3 (9%) | 0 (0%) | 1 (4%) | 1 (6%) | 4 (24%) | 1 (100%) | 76 (10%) | |||
| Immunosuppressive medicaments | 297 (74%) | 125 (77%) | 102 (75%) | 23 (70%) | 1 (100%) | 14 (58%) | 9 (50%) | 13 (76%) | 1 (100%) | 585 (74%) | |||
| Surgery | 196 (49%) | 87 (54%) | 69 (51%) | 17 (52%) | 1 (100%) | 17 (71%) | 11 (61%) | 9 (53%) | 0 (0%) | 407 (51%) | |||
Class 5 contains 31 individuals with missing information on all clinical characteristics. Class 9 contains 14 individuals with missing information on all clinical characteristics. For the other classes, the number of individuals with missing information differs between the clinical characteristics.