Table 5: Simple logistic regression for the prediction of risk factors for IBS in patients with chronic HCV .

Variables		IBS		P value
		No	Yes
		N = 290	N = 716
Hemoglobin level	Range	(9-16)	(9-16)	0.086
	Mean ± SD	12.7 ± 1.4	12.5 ± 1.2
Platelets	Range	(100-3200)	(3.2-3870)	0.064
	Mean ± SD	348.7 ± 505.3	338.4 ± 562.8
	Median	210	204.5
Alanine transaminase	Range	(12-121)	(10-171)	0.001*
	Mean ± SD	32.6 ± 17.5	32 ± 23.8
	Median	28	23
Bilirubin	Range	(0.9-2)	(0.2-2)	0.642
	Mean ± SD	1 ± 0.1	1 ± 0.1
Albumin	Range	(3-5)	(3-5)	0.087
	Mean ± SD	4.4 ± 0.5	4.4 ± 0.5
International randomized ratio	Range	(1-1.4)	(1-1.4)	0.115
	Mean ± SD	1.05 ± 0.09	1.04 ± 0.11
Creatinine	Range	(0.7-1.4)	(0.1-1.5)	0.158
	Mean ± SD	1 ± 0.1	1 ± 0.1
Polymerase chain reaction	Range	(0-3.3)	(0.6-5)	< 0.001*
	Mean ± SD	1.7 ± 0.7	2.6 ± 0.7
FIB 4	Range	(0.3-4)	(0.3-5)	0.169
	Mean ± SD	1.6 ± 1	1.7 ± 1.1
	Median	1	1.1
FIB 4	< 3.45	268 (92.4%)	622 (86.9%)	0.013*
	≥ 3.45	22 (7.6%)	94 (13.1%)
		OR	95% CI	P value
Gender
Female		Ref.
Male		1.53	1.13-2.06	0.006*
High BMI		1.15	1.08-1.22	< 0.001*
Residence
Rural		Ref.
Urban		1.93	1.46-2.55	< 0.001*
Education
No		Ref.
Yes		2.89	2.13-3.9	< 0.001*
Chronic disease
No		Ref.
DM		0.87	0.56-1.36	0.543
HTN		0.16	0.05-0.5	0.002*
Positive PCR		5.94	4.57-7.72	< 0.001*
FIB 4
< 3.45		Reference
≥ 3.45		1.84	1.13-2.99	0.014*

OR: odds ratio, CI: Confidence Interval

* Significant level at P value < 0.05