Clinical and Translational Research
Copyright ©The Author(s) 2021.
World J Gastroenterol. Oct 21, 2021; 27(39): 6647-6658
Published online Oct 21, 2021. doi: 10.3748/wjg.v27.i39.6647
Table 2 Demographic and clinical characteristics of the validating cohort

Overall (n = 126)
CD (n = 57)
UC (n = 69)
P value
Age (mean ± SD)46.13 (± 16.95)42.29 (± 15.7)49.29 (± 17.38)0.03
Male71 (56.4%)33 (57.9%)38 (55.1%)0.86
BMI23.9 (± 4.1)23.9 (± 4.3)23.9 (± 3.9)0.67
Disease duration (median, IQR)8 (3-16)10 (3-17)8 (3.5-13)0.44
Disease characteristics (CD)
Location (CD)--
Terminal ileum (L1)13 (22.8%)
Colon (L2)8 (14.0%)
Ileo-colon (L3)28 (49.1%)
Upper GI (L4)2 (3.5%)
Perianal disease (p)19 (33.3%)
Behavior (CD)--
Inflammatory (B1)32 (56.1%)
Stricturing (B2)25 (43.9%)
Penetrating (B3)16 (28.1%)
Disease activity (HBI)--
< 538 (66.7%)
5-714 (24.6%)
8-165 (8.8%)
> 16-0 (0%)
Disease characteristics (UC)-
Location--7 (10.1%)
Proctitis (E1)26 (37.7%)
Left sided (E2)36 (52.2%)
Extensive (E3)
Disease activity (pMayo)-
< 245 (65.2%)
2-413 (18.8%)
5-74 (5.8%)
> 77 (10.1%)
Pouch3 (4.4%)
Extraintestinal manifestations36 (28.6%)17 (29.8%)19 (27.5%)0.84
Previous abdominal surgery38 (30.2%)22 (38.6%)16 (42.1%)0.07
Calprotectin0.54
< 5043(34.1%)15 (26.3%)28 (40.6%)
51-25033 (16.2%)17 (29.8%)16 (23.2.%)
> 25016 (12.7%)7 (12.3%)9 (13.4%)
Missing34 (27.0%)18 (31.6%)16 (23.2%)
CRP1.00
Normal77 (61.1)35 (62.4%)42 (60.9%)
Raised39 (31.0%)18 (31.6%)21 (30.4%)
Missing10 (7.9%)4 (7.0%)6 (8.7%)
Comorbidities40 (31.8%)16 (28.1%)24 (34.8%)0.45
Cardiomyopathy15 (11.9%)3 (5.26%)12 (17.4%)0.05
Hypertension28 (22.2%)12 (42.9%)16 (23.2%)0.83
Diabetes11 (8.73%)4 (7.0%)7 (10.1%)0.75
Hepatic failure1 (0.8%)1 (1.8%)0 (0.0%)0.45
Kidney failure4 (3.17%)3 (5.26%)1 (1.45%)0.32
Respiratory failure2 (1.6%)1 (1.8%)1 (1.5%)1.00
Neurologic diseases5 (4.0%)1 (1.8%)4 (5.8%)0.37
Psychiatric disorder15 (11.9%)7 (12.3%)8 (11.6%)1.00
Onco-hematological diseases12 (9.5%)2 (3.5%)10 (14.5%)0.06