Table 4 Stratified MTCT rates in singleton pregnancies^a

Overall MTCT rate

18/1633

1.1 (0.6–1.6)

12/2406

0.5 (0.2–0.8)

ᅟᅟBefore conception

2/333

0.6 (0.2–2.2)

2/635

0.3 (0.1–1.1)

ᅟᅟFirst trimester

0/33

–

0/77

–

ᅟᅟSecond trimester

8/858

0.9 (0.5–1.8)

5/1397

0.4 (0.2–0.8)

ᅟᅟThird trimester

8/376

2.1 (1.1–4.1)

5/264

1.9 (0.8–4.4)

ᅟᅟ<200 cells/mm³

3/157

1.9 (0.7–5.5)

2/206

1.0 (0.3–3.5)

ᅟᅟ200–349 cells/mm³

4/340

1.2 (0.5–3.0)

1/506

0.2 (0.04–1.1)

ᅟᅟ≥350 cells/mm³

4/600

0.7 (0.3–1.7)

2/1171

0.2 (0.1–0.6)

ᅟᅟMissing CD4+ T-cell count

7/536

1.3 (0.6–2.7)

7/523

1.3 (0.6–2.7)