TABLE 3.

Gestational age at delivery and number of women with detectable HIV-1 RNA by history of HAART Exposure Prior to Pregnancy^*

Characteristic	HAART experienced prior to pregnancy (n=361)*					HAART naïve prior to pregnancy (n=262)*
	PI with ritonavir n=81	PI no ritonavir n=207	NNRTI n=55	NRTI n=18	p-value	PI with ritonavir n=28	PI no ritonavir n=195	NNRTI n=32	NRTI n=7	p-value
Gestational age at delivery**	38.0 (36.0,40.0)	38.0 (36.0, 40.0)	38.0 (35.0, 41.0)	38.5 (35.5, 41.5)	0.69	38.0 (36.0, 40.0)	38.0 (36.0, 40.0)	38.0 (35.0, 41.0)	38.0 (35.0, 41.0)	0.22
HIV-1 RNA at enrollment	n= 191 for Experienced women					n= 138 for Naïve women
Detectable***	46 (57)	118 (57)	22 (40)	5 (28)	<0.001	13 (46)	111 (57)	12 (38)	2 (29)	<0.001
HIV-1 RNA at delivery	n=134 for Experienced women					n=63 for Naïve Women
Detectable***	30 (37)	86 (42)	13 (24)	5 (28)	<0.001	7 (25)	51 (26)	5 (16)	0 (0)	<0.001

Note: Data are no. (column % where applicable) of patients unless otherwise indicated

p-value calculated using Chi Square or Fisher’s Exact Test, as relevant

^*Total n for this table is 623 due to incomplete data on regimens for 1% of cohort

^**Values are median wks (interquartile range)

^***Detectable is ≥400 cp/ml