Diagnostic delay in inflammatory bowel disease increases the risk of intestinal surgery

Table 1 Baseline characteristics of Crohn’s disease patients n (%)

	Total(n = 165)	Delayed(n = 41)	Non-delayed(n = 124)	P value
Age, yr (± SD)	28.2 ( ± 1.1)	29.2 ( ± 12.7)	27.9 ( ± 14.2)	0.269
Age ≥ 40	27 (16.4)	5 (12.2)	22 (17.7)	0.405
Male,	126 (76.4)	33 (80.5)	93 (75.0)	0.473
Family history,	6 (3.6)	0 (0)	6 (4.8)	0.249
Symptom to diagnosis1, d	185 (45.0-642.5)	1108 (810-2331)	79.5 (32.0-253.5)	0.000
Symptom to visit1, d	57.0 (14.0-255.8)	739 (98.8-996)	33.5 (10.8-109.8)	0.000
Visit to diagnosis1, d	20.0 (4.0-139.0)	150 (5.8-1188)	14.0 (4.0-85.0)	0.002
Smoking,	41 (24.8)	12 (29.3)	29 (23.4)	0.450
Chief complain				0.241
Diarrhea	29 (17.6)	4 (9.8)	25 (20.2)
GI bleeding	20 (12.1)	4 (9.8)	16 (12.9)
Perianal discomfort	25 (15.2)	10 (24.4)	15 (12.1)
Abdominal pain	85 (51.5)	22 (53.7)	63 (50.8)
Others	6 (3.6)	1 (2.4)	5 (4.0)
Location,				0.688
L1	39 (23.6)	12 (29.3)	27 (21.8)
L2	18 (10.9)	3 (7.3)	15 (12.1)
L3	85 (51.5)	20 (48.8)	65 (52.4)
L4	23 (13.9)	6 (14.6)	17 (13.7)
Behavior,				0.021
B1	116 (70.3)	23 (56.1)	93 (75.0)
B2	32 (19.4)	14 (34.1)	18 (14.5)
B3	17 (10.3)	4 (9.8)	13 (10.5)
Perianal disease	31 (18.8)	5 (12.2)	26 (21.0)	0.213
CRP at diagnosis, (± SD)	4.17 (± 7.76)	3.73 (± 4.35)	4.33 (± 8.68)	0.677

¹The duration was expressed as median (interquartile range); CRP: C-reactive protein.