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

Table 4 Factors associated with a long diagnostic delay in ulcerative colitis

Variable	n	OR (95%CI)	P value
Age	-	0.99 (0.96-1.02)	0.484
Male	71	0.78 (0.30-2.04)	0.607
Smoking	26	1.26 (0.33-4.87)	0.733
IBD family history	7	1.40 (0.24-8.07)	0.709
Chief complaint
Hematochezia	87	Ref.	-
Diarrhea	31	1.34 (0.49-3.65)	0.566
Abdominal pain	9	1.03 (0.18-5.92)	0.975
Others	3	Not assessed	-
Location
Proctitis	39	Ref.	-
Left sided	18	1.45 (0.48-4.39)	0.513
Left sided	85	0.90 (0.28-2.92)	0.860
Severity1
Mild	53	Ref.
Moderate to severe	75	0.78 (0.29-2.13)	0.634

¹The severity was classified according to the Mayo score. IBD: Inflammatory bowel disease; OR: Odds ratio; CI: Confidence interval.