Table 1 Comparison of demographic characteristics between IBDU, UC and CD groups at diagnosis
From: Clinical features of inflammatory bowel disease unclassified: a case-control study
| Â | IBDU (37) | UC (74) | p-value | CD (74) | p-value |
|---|---|---|---|---|---|
age at symptom onset (years), median (IQR) | 27(21,39) | 27(21,39) | 0.846 | 26.5(20,38) | 0.367 |
duration from symptom onset to diagnosis (months), median (IQR) | 24(11,65) | 32(14,69) | 0.390 | 55(21,98) | 0.019 |
BMI (kg/m2), mean ± sd | 19.9 ± 3.0 | 19.9 ± 2.7 | 0.955 | 18.8 ± 3.2 | 0.092 |
smoking status at diagnosis (n, %) | |||||
current smoker, n (%) | 11(29.7%) | 11(14.9%) | 0.064 | 14(18.9%) | 0.199 |
ex-smoker, n (%) | 0(0.0%) | 3(4.1%) | 0.535 | 5(6.7%) | 0.257 |
non-smoker, n (%) | 26(70.3%) | 60(81.0%) | 0.199 | 55(74.3%) | 0.650 |
familial history of IBD, n (%) | 4(10.8%) | 3(4.1%) | 0.890 | 3(4.1%) | 0.334 |