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Table 2 HIV incidence during pregnancy and non-pregnancy episodes by year and age per 100 person-years (PY)

From: Incident HIV during pregnancy and early postpartum period: a population-based cohort study in a rural area in KwaZulu-Natal, South Africa

 

Not pregnant

Pregnant

15–24

25–49

15–24

25–49

Year

Number of seroconversion (PY)

HIV incidence (95% CI)

Number of seroconversion (PY)

HIV incidence (95% CI)

Number of seroconversion (PY)

HIV incidence (95% CI)

Number of seroconversion(PY)

HIV incidence (95% CI)

2010

105 (2089.16)

5.03 (4.15–6.09)

44 (2147.42)

2.05 (1.52–2.75)

11 (255.69)

4.30 (2.38–7.77)

0 (121.62)

0

2011

70 (1374.23)

5.09 (4.03–6.44)

51 (1813.90)

2.81 (2.14–3.70)

15 (178.99)

8.38 (5.05–13.90)

1 (109.56)

0.91 (0.13–6.48)

2012

57 (971.10)

5.87 (4.53 -7.61)

50 (1624.24)

3.08 (2.33–4.06)

6 (141.48)

4.24 (1.91 - 9.44)

1 (101.96)

0.98 (0.14–6.96)

2013

43 (641.05)

6.71 (4.97–9.04)

50 (1381.22)

3.62 (2.74–4.78)

12 (98.4)

12.20 (6.93–21.47)

2 (77.31)

2.59 (0.65–10.34)

2014

37 (400.34)

9.24 (6.70–12.76)

36 (1131.51)

3.18 (2.29–4.41)

3 (51.78)

5.79 (1.87–17.96)

2 (70.20)

2.85 (0.71–11.39)

2015a

16 (134.70)

11.88 (7.28–19.39)

7 (510.57)

1.37 (0.65–2.88)

2 (8.12)

24.63 (6.16–98.48)

0 (14.62)

0

  1. a Some pregnancies in the later part of 2015 would be reported in the first surveillance round in 2016 when women disclose their pregnancy to the household or attend antenatal care; hence 2015 may not include all women who were pregnant in 2015