Table 4.

Association of ABCB1 Variants and Drug Resistance in Epileptic Patients


Variant

Phenotype

Alleles

Χ2a

Pb

Genotypes

Χ2a

Pb

r2 vs 3435C>T
T A G AT GA TT GT GG
2667G>T,A Drug-resistant 184 8 266 0.66 ± 0.0048c 4 4 39 102 80 0.87 ± 0.0019c 0.21
Drug-responsive 86 3 107 2 1 18 48 29
G T GG GT TT
IVS 25+3050 G>T Drug-resistant 286 284 2.108 0.147 69 148 68 2.840 0.242 0.84
Drug-responsive 121 149 23 75 37
C T CC CT TT
IVS 25+5231 T>C Drug-resistant 259 291 0.766 0.381 57 145 73 1.560 0.458 0.80
Drug-responsive 113 145 20 73 36
C T CC CT TT
3435C>T Drug-resistant 291 269 4.509 0.034 73 145 62 6.855 0.032 1
Drug-responsive 120 152 20 80 36
T C TT CT CC
IVS 26+80 T>C Drug-resistant 285 271 3.782 0.052 70 145 63 5.629 0.060 0.98

Drug-responsive
118
150



20
78
36





a,b Χ2 and P-values for Pearson's Χ2 test of association with one (alleles) and two (genotypes) d.f.

c Fisher's exact test P and s.e.