Table 3.

Frequencies of TPMT variant alleles (%) in different adult Libyan populations according to the region of origin

%±S.D.
Gender	Region	N	*2	*3A	*3C	P value
Females	Tawargha	46	0.0	2.17±2.15	0
	Yefren	66	0.0	0.0	0
	Tripoli	92	0.0	0	2.17±2.15
	Total	204	0	0.49±0.49	0.98±0.69	0.206
Males	Tawargha	30	0	0	3.33±3.28
	Yefren	42	0	0	2.38±2.35
	Tripoli	216	0	0.92±0.65	0.46±0.46
	Total	288	0	0.69±0.49	1.04±0.60	0.460

N=No. of alleles, S.D.=standard deviation. The level of significance was set at <0.05.