Table 2.

Heterogeneity test.

CDKAL1	Group	A fixed-effects model			A random-efforts model			Heterogeneity
		OR (95% CI)	Z	p	OR (95% CI)	z	p	X 2	I 2 (%)	PQ test
A vs. C	Total	0.89 [0.86, 0.92]	6.17	p < 0.00001	0.85 [0.77, 0.94]	3.25	p = 0.001	76.82	83%	p < 0.00001
	Asian	0.92 [0.88, 0.97]	3.36	p = 0.008	0.87 [0.75, 1.02]	1.73	p = 0.08	65.37	89%	p < 0.00001
	Non-Asian	0.83 [0.78, 0.88]	5.88	p < 0.00001	0.83 [0.77, 0.88]	5.55	p < 0.00001	5.59	11%	p = 0.35
AA vs. AC+CC	Total	0.77 [0.73, 0.82]	9.15	p < 0.00001	0.77 [0.70, 0.85]	5.42	p < 0.00001	149.89	92%	p < 0.00001
	Asian	0.83 [0.77, 0.88]	7.68	p < 0.00001	0.75 [0.64, 0.88]	3.61	p = 0.0003	29.52	76%	p = 0.0001
	Non-Asian	0.79 [0.72, 0.86]	4.99	p < 0.00001	0.79 [0.72, 0.87]	4.97	p < 0.00001	84.86	96%	p = 0.58
AA+AC vs. CC	Total	0.86 [0.80, 0.92]	4.47	p < 0.00001	0.81 [0.69, 0.94]	2.68	p = 0.007	33.42	61%	p = 0.001
	Asian	0.91 [0.83, 0.99]	2.23	p = 0.03	0.85 [0.66, 1.10]	1.21	p = 0.23	59.98	86%	p < 0.00001
	Non-Asian	0.78 [0.70, 0.87]	4.39	p < 0.0001	0.78 [0.70, 0.87]	4.38	p < 0.0001	1.70	0	p < 0.00001