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Table 2 HSV-2 seroconversion at different time points after childbirth

From: The prevalence, incidence and risk factors of herpes simplex virus type 2 infection among pregnant Zimbabwean women followed up nine months after childbirth

Period observed

Enrollment - 4 months pp*

(5 months)

4-9 months pp*

(5 months)

Enrollment - 9 mths pp*

(10 months)

Seroconverters, n

7

13

20

Seronegative women, n

173

166

173

Person-time

72.1 person-years

69.2 person-years

144.2 person-years

Incidence per

   

100 PYAR* (95%CI)

9.7 (5.4-14.3)

18.8 (13.9-26.1)

13.9 (9.1-19.6)

Sexually active mothers, n (%)

144 (83.3%)

147 (88.4%)

153 (88.4)%

Person-time

60.0 person-years

61.3 person-years

127.5 person-years

Incidence per 100 PYAR* in sexually active mothers (95%CI)

11.7 (6.5-16.9)

21.2 (16.2-294)

15.7 (10.9-22.8)

  1. *PYAR - Person years at risk, *pp - postpartum