Table 3.

Genotypes and allele frequencies of ABCB1 gene C3435T for patients and controls

C3435T polymorphism	Frequencies %		P value	Odds ratio (95% CI)	Risk ratio (95% CI)
	Patients (n=62)	Controls (n=63)
Genotypes
CC	29.0% (n=18)	25.4% (n=16)		1.00 (Reference)	1.00 (Reference)
CT	21.0% (n=13)	17.5% (n=11)	0.92	1.05 (0.37–2.99)	1.03 (0.56–1.90)
TT	50.0% (n=31)	57.1% (n=36)	0.54	0.77 (0.33–1.75)	0.91 (0.69–1.21)
CT + TT	71.0% (n=44)	75.0% (n=47)	0.79	0.83 (0.38–1.83)	0.95 (0.77–1.18)
Alleles
C	40.0%	34.0%		1.00 (Reference)	1.00 (Reference)
T	60.0%	66.0%	0.46	0.77 (0.43–1.37)	0.91 (0.73–1.13)