Table 3. Egger's linear regression test to measure the funnel plot asymmetric.^* .

Comparisons	Y axle intercept: a (95%CI)
	H vs R	HR+HH vs RR	HH vs RR+HR	HH vs RR	HR vs RR
Overall	0.75(−2.03∼3.55)	0.48(−1.29∼2.25)	−0.30(−3.66∼3.04)	−0.13(−2.87∼2.60)	0.04(−1.96∼2.05)
HWE	1.67(−1.07∼4.43)	1.14(−0.34∼2.63)	0.36(−3.60∼4.32)	0.55(−2.45∼3.57)	0.37(−2.02∼2.76)
Caucasian	0.01(−4.32∼4.36)	−0.74(−2.94∼1.45)	−1.17(−7.36∼5.01)	−1.16(−6.13∼3.80)	−1.40(−3.68∼0.87)

*P>0.05; vs: versus; HWE: Hardy-Weinberg equilibrium.