Table 5. Sensitivity analyses for SNP association with MTCT at different time points of follow-up.

SNP	Model	Birth RR (95% CI)†	6 weeks RR (95% CI)	12 weeks RR (95% CI)	Cumulative RR (95% CI)
CCR5-2459A→G	Overall	0.76 (0.44, 1.31)	0.93 (0.61, 1.44)	0.70 (0.47, 1.04)	1.00 (0.69, 1.45)
	Low MVL	0.14 (0.04, 0.51)	0.38 (0.14, 1.00)	0.29 (0.11, 0.80)	0.70 (0.36, 1.36)
	High MVL	1.38 (0.61, 3.10)	1.45 (0.78, 2.73)	1.03 (0.60, 1.80)	1.18 (0.82, 1.68)
CCR5-2135C→T	Overall	0.76 (0.45, 1.32)	0.94 (0.61, 1.45)	0.70 (0.47, 1.05)	0.78 (0.54, 1.12)
	Low MVL	0.14 (0.03, 0.52)	0.39 (0.15, 1.04)	0.30 (0.11, 0.83)	0.78 (0.54, 1.13)
	High MVL	1.38 (0.61, 3.10)	1.46 (0.78, 2.73)	1.03 (0.60, 1.80)	1.27 (0.89, 1.81)

^†The risk ratio (RR) was calculated from log linear regression, where non carriers (− −) were the referent.