Table 1. Determinants of the 6-weeks MTCT Risk (Multivariate logistic regression model), at the CNPS hospital of Yaounde in Cameroon between 2004 and 2008.

	N	OR**	95% CI	P	ORa***	95% CI	P
Duration of treatment
≥4 weeks before delivery	306	1			1
<4 weeks before delivery	112	6.6	2.9–15.3	<0.0001	4.7	1.3–17.6	<0.0001
Treatment
Regimen 1 (HAART)	73	1			1
Regimen 2	163	2.8	0.6–12.9	0.18	0.5	0.05–4.9	0.5
Regimen 3	99	3.1	0.6–15.2	0.15	1.6	0.2–12	0.6
Regimen 4	83	3.7	0.8–18.4	0.15	2.1	0.2–18.5	0.5
TCD4 Lymphocytes
>350 cells/ml	238	1			1
≤350 cells/ml	180	4.02	1.7–9.2	<0.001	6.4	1.8–22.5	<0,004
Delivery
Cesarean section	36	1			1
Normal	382	2.9	0.4–21.7	0.30	2.4	0.2–25.9	0.46
Premature rupture of membranes
No	371	1			1
Yes (before onset of labour)	47	39.9	16.2–98.7	<0.0001	27.6	8.9–84.8	0,0001
Birth weight
>2500 grams	325	1			1
≤2500 grams	93	8.6	3.9–19.2	0.0001	4.0	1.4–11.3	0,008
Prematurity *
No	68	1			1
Yes	350	3.9	1.8–8.7	0.01	0.82	0.2–2.9	0.8

*(<37 weeks of gestation).

**Crude (Univariate).

***Adjusted (Multivariate).