Interleukin-13 +1923C/T Polymorphism Is Associated with Asthma Risk: A Meta-Analysis

Table 2

Distribution of IL-13 +1923C/T genotype among patients and controls.

Study	Asthma			Control			HWE; (𝑃 value)
	CC	CT	TT	CC	CT	TT
Hákonarson et al. [11]	65	27	2	64	27	3	0.941
Liu et al. [20]	24	55	21	43	47	10	0.583
Donfack et al. 1 [12]	72	45	9	120	77	8	0.310
Donfack et al. 2 [12]	18	101	86	25	75	83	0.229
Battle et al. [21]	31	117	113	21	77	72	0.953
Daley et al. [22]	422	199	23	516	213	22	0.997
Wu et al. [23]	106	114	32	126	85	16	0.749
Moffatt et al. [13]	6306	3558	501	10310	5156	644	0.984
Li et al. [14]	257	183	33	1217	601	74	0.985
Noguchi et al. [24]	387	439	112	1125	1025	226	0.735
Yoon et al. 1 [25]	90	82	21	4146	3641	849	0.229
Yoon et al. 2 [25]	20	17	7	3583	3127	731	0.202

HWE: Hardy-Weinberg equilibrium.