Table 2:

Sensitivity analyses for the primary outcome of complete early infant diagnosis

	Intervention (n=392)	Control (n=298)	Adjusted odds ratio (95% CI)*	p value
Hospital volume
High volume (n=341)	184/226 (81%, 76–87)	99/115 (86%, 80–93)	0·7 (0·4–1·3)	0·28
Medium volume (n=208)	104/109 (95%, 92–99)	55/99 (56%, 46–66)	16·8 (6·3–44·9)	<0·0001
Low volume (n=141)	46/57 (81%, 71–91)	26/84 (31%, 21–41)	9·4 (4·2–21·4)	<0·0001
Analysis strategy
Standard	334/392 (85%, 82–89)	180/298 (60%, 55–66)	3·7 (2·5–5·5)	<0·0001
Intention to treat†	334/474 (70%, 66–75)	180/334 (54%, 49–59)	2·0 (1·6–2·8)	<0·0001

Data are n (%, 95% CI). Table shows the differential effect of the HITSystem by hospital volume and analysis strategy.

^*Adjusted for maternal age, education level, and HIV disclosure status.

^†Infant deaths and transfers regarded as incomplete early infant diagnosis.