Table 2. Distribution of genotypes and alleles in the individual studies.

First author's last name	Cases					Controls
MTNR1B rs10830963 (C/G)	GG	GC	CC	G	C	GG	GC	CC	G	C
Deng	26	38	23	90	84	15	45	31	75	107
Kim	256	435	217	947	869	203	469	294	875	1057
Wang	137	364	199	638	762	191	509	329	891	1167
Vlassi	16	31	30	63	91	12	30	56	54	142
Li	79	158	113	316	384	75	233	172	383	577
MTNR1B rs1387153 (C/T)	TT	TC	CC	T	C	TT	TC	CC	T	C
Kim	241	433	235	915	903	204	455	313	863	1081
Vlassi	12	26	39	50	104	11	35	52	57	139
IRS1 rs1801278 (C/T)	TT	TC	CC	T	C	TT	TC	CC	T	C
Shaat	4	49	534	57	1117	0	111	1078	111	2267
Fallucca	4	34	271	42	576	0	22	255	22	532
Tok	0	9	53	9	115	0	11	89	11	189
Pappa	17	73	58	107	189	7	40	60	54	160
Alharbi	1	10	189	12	388	0	5	295	5	595