Correlations between endoscopic and clinical disease activity indices in intestinal Behcet's disease

Table 3 Univariate analysis of endoscopic factors associated with the disease activity index for intestinal Behcet’s disease

Endoscopic factor	DAIBD (mean ± SD)	F/t value	P value
Location		0.48	0.632
Ileocecal area	74.58 ± 36.74
Other	80.00 ± 26.08
Distribution
Localized	73.98 ± 35.22	-0.82	0.414
Diffuse	80.40 ± 41.10
Number of intestinal ulcer		0.39	0.679
Solitary	72.67 ± 30.92
2- 5	76.51 ± 41.75
≥ 5	78.93 ± 40.08
Depth of intestinal ulcer		5.03	0.008
Aphthous	57.08 ± 37.02
Shallow	65.00 ± 30.09
Deep	81.10 ± 37.01
Shape of intestinal ulcer		13.33	< 0.001
Oval	65.13 ± 37.79
Geographic	72.60 ± 28.40
Volcano	99.86 ± 30.95
Size of intestinal ulcer (mm)		6.62	< 0.001
< 5	52.73 ± 35.45
5-10	69.48 ± 36.38
10-20	63.00 ± 33.02
≥ 20	86.40 ± 34.29
Margin of intestinal ulcer		1.95	0.124
Discrete	80.47 ± 37.70
Elevation	56.54 ± 33.63
Nodular elevation	75.47 ± 29.93
Marginal erythema	70.85 ± 36.81

DAIBD: Disease activity index for intestinal Behcet’s disease.