Table 2. Comparison of Clinical Categorical Characteristics in Univariate Analysis of Relapser and Non-Relapser UC Patients^a,b.

Categorical Variables	Relapsers (n = 74)	Non-Relapsers (n = 80)	P Value	OR	95% CI
Gender					0.88-3.14
Male	33 (41.8)	46 (58.2)	0.10	1.68
Female	41 (54.7)	34 (45.3)
Cigarette smoking					1.16-5.61
Non smokers	23 (31.1)	12 (15)	0.01	2.55
Smokers	51 (68.9)	68 (85)
Appendectomy					0.024-2.02
Yes	4 (5.4)	1 (1.2)	0.14	0.22
No	70 (94.6)	79 (98.8)
Extra intestinal manifestations					0.668-2.41
Yes	29 (39.2)	36 (45)	0.46	1.27
No	45 (60.80)	44 (55)
Positive family history					0.43-3.14
Yes	8 (10.8)	10 (12.5)	0.74	1.17
No	66 (89.2)	70 (87.5)

^a Abbreviations: CI, confidence interval; OR, odds ratio.

^b Data are presented as No. (%).