Nicotinic acetylcholine receptor variants associated with susceptibility to chronic obstructive pulmonary disease: a meta-analysis

Table 4 Association between rs1051730 genotypes and COPD

Genotype	Number of subjects		Overall effect			Heterogeneity
	COPD	Total	OR (95%CI)	Z	p	Chi²	p	I² (%)
GA/GG	1432/1201	6227/6188	1.27 (1.15- 1.40)	4.81	<10^-5	7.71	0.17	35
AA/GG	438/1201	1621/6188	1.50 (1.30- 1.73)	5.51	<10^-5	2.02	0.85	0

Abbreviations: COPD, chronic obstructive pulmonary disease; CI, confidence interval.

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