0 (N=42)	1 (N=71)	Statics-value	P-value	method
性别
男	33 (78.6%)	54 (76.1%)	0.006	0.94	chi-squared test
女	9 (21.4%)	17 (23.9%)
年龄
Mean (SD)	33.9 (10.2)	32.2 (11.8)	1686	0.247	wilcox test
Median [Min, Max]	33.0 [9.00, 61.0]	32.0 [10.0, 75.0]
X1组
0	42 (100%)	71 (100%)	7.442	0.006	chi-squared test
X2组
0	34 (81.0%)	61 (85.9%)	0.186	0.667	chi-squared test
1	8 (19.0%)	10 (14.1%)
X3组
0	33 (78.6%)	52 (73.2%)	0.167	0.683	chi-squared test
1	9 (21.4%)	19 (26.8%)
X4组
0	22 (52.4%)	38 (53.5%)	0	1	chi-squared test
1	20 (47.6%)	33 (46.5%)
X5组
0	21 (50.0%)	22 (31.0%)	3.281	0.07	chi-squared test
1	21 (50.0%)	49 (69.0%)
X6组
0	3 (7.1%)	4 (5.6%)	NA	0.71	fisher exact test
1	39 (92.9%)	67 (94.4%)
回盲部
0	11 (26.2%)	8 (11.3%)	3.202	0.074	chi-squared test
1	31 (73.8%)	63 (88.7%)
升结肠
0	32 (76.2%)	48 (67.6%)	0.571	0.45	chi-squared test
1	10 (23.8%)	23 (32.4%)
横结肠
0	32 (76.2%)	55 (77.5%)	0	1	chi-squared test
1	10 (23.8%)	16 (22.5%)
降结肠
0	32 (76.2%)	58 (81.7%)	0.212	0.646	chi-squared test
1	10 (23.8%)	13 (18.3%)
乙状结肠
0	24 (57.1%)	40 (56.3%)	0	1	chi-squared test
1	18 (42.9%)	31 (43.7%)
直肠
0	32 (76.2%)	49 (69.0%)	0.363	0.547	chi-squared test
1	10 (23.8%)	22 (31.0%)
病变数量
Mean (SD)	4.38 (2.35)	4.87 (2.25)	1270	0.185	wilcox test
Median [Min, Max]	4.00 [1.00, 11.0]	5.00 [1.00, 11.0]
粘膜增厚.分层
0	27 (64.3%)	34 (47.9%)	2.235	0.135	chi-squared test
1	15 (35.7%)	37 (52.1%)
全层累及
0	1 (2.4%)	4 (5.6%)	NA	0.649	fisher exact test
1	41 (97.6%)	67 (94.4%)
肉芽肿
0	24 (57.1%)	27 (38.0%)	3.16	0.075	chi-squared test
1	18 (42.9%)	44 (62.0%)