Table 3. Observed and expected frequencies of CYP2E1 (rs2070672) genotypes.

Population	Geno	N	Observed frequency percentage (CI)	Expected frequency percentage by HW law	Chi squared	P value
Pakistani	AA	526	82.70 [79.76–85.64]	80.32	35.10	<0.05
	AG	88	13.83 [11.15–16.51]	18.58
	GG	22	3.45 [2.03–4.87]	1.07
Punjabi	AA	190	79.83 [74.73–84.93]	76.01	27.82	<0.05
	AG	35	14.70 [10.2–19.2]	22.33
	GG	13	5.46 [2.57–8.35]	1.64
Pathan	AA	87	81.30 [73.91–88.69]	82.17	1.14	>0.05
	AG	20	18.69 [11.3–26.08]	16.94
	GG	0	0	0.87
Urdu	AA	64	78.04 [67.08–88]	70.80	24.17	<0.05
	AG	10	12.19 [5.11–19.27]	26.66
	GG	8	9.75 [3.33–16.17]	2.51
Seraiki	AA	58	85.29 [76.87–93.71]	78.20	0.43	>0.05
	AG	10	14.70 [6.28–23.12]	28.87
	GG	0	0	2.66
Seraiki	AA	76	92.68 [87.04–98.32]	92.81	0.11	>0.05
	AG	6	7.31 [1.68–1294]	7.04
	GG	0	0	0.13
Sindhi	AA	51	86.44 [77.7–95.18]	85.33	1.47	>0.05
	AG	7	11.86 [3.61–20.11]	14.07
	GG	1	1.69 [0–4.98]	0.58