0 (N=61)	1 (N=52)	Statics-value	P-value	method
性别
男	48 (78.7%)	39 (75.0%)	0.058	0.81	chi-squared test
女	13 (21.3%)	13 (25.0%)
年龄
Mean (SD)	32.0 (11.2)	33.9 (11.3)	1381.5	0.24	wilcox test
Median [Min, Max]	31.0 [10.0, 67.0]	33.5 [9.00, 75.0]
X1组
0	61 (100%)	52 (100%)	0.717	0.397	chi-squared test
X2组
0	59 (96.7%)	36 (69.2%)	NA	<0.001	fisher exact test
1	2 (3.3%)	16 (30.8%)
X3组
0	58 (95.1%)	27 (51.9%)	NA	<0.001	fisher exact test
1	3 (4.9%)	25 (48.1%)
X4组
0	44 (72.1%)	16 (30.8%)	17.658	<0.001	chi-squared test
1	17 (27.9%)	36 (69.2%)
X5组
0	34 (55.7%)	9 (17.3%)	15.994	<0.001	chi-squared test
1	27 (44.3%)	43 (82.7%)
X6组
0	3 (4.9%)	4 (7.7%)	NA	0.701	fisher exact test
1	58 (95.1%)	48 (92.3%)
回盲部
0	11 (18.0%)	8 (15.4%)	0.015	0.902	chi-squared test
1	50 (82.0%)	44 (84.6%)
升结肠
0	45 (73.8%)	35 (67.3%)	0.298	0.585	chi-squared test
1	16 (26.2%)	17 (32.7%)
横结肠
0	51 (83.6%)	36 (69.2%)	2.514	0.113	chi-squared test
1	10 (16.4%)	16 (30.8%)
降结肠
0	49 (80.3%)	41 (78.8%)	0	1	chi-squared test
1	12 (19.7%)	11 (21.2%)
乙状结肠
0	34 (55.7%)	30 (57.7%)	0	0.985	chi-squared test
1	27 (44.3%)	22 (42.3%)
直肠
0	45 (73.8%)	36 (69.2%)	0.105	0.746	chi-squared test
1	16 (26.2%)	16 (30.8%)
病变数量
Mean (SD)	3.89 (1.94)	5.63 (2.33)	876.5	<0.001	wilcox test
Median [Min, Max]	3.00 [1.00, 9.00]	5.00 [2.00, 11.0]
全层累及
0	0 (0%)	5 (9.6%)	NA	0.019	fisher exact test
1	61 (100%)	47 (90.4%)
肉芽肿
0	37 (60.7%)	14 (26.9%)	11.573	<0.001	chi-squared test
1	24 (39.3%)	38 (73.1%)
溃疡
0	27 (44.3%)	15 (28.8%)	2.235	0.135	chi-squared test
1	34 (55.7%)	37 (71.2%)