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Table 2 Maternal characteristics of mothers of the cases and controls

From: Factors associated with HIV infection among children born to mothers on the prevention of mother to child transmission programme at Chitungwiza Hospital, Zimbabwe, 2008

Variable Case % Control %
CD4 ≤ 200 cells/μL 31 52 10 17
CD4 ≤ 350 cells/μL 44 70 30 50
Median CD4 count 180 IQR 131-361 357 IQR 229-435
STI during current pregnancy 18 30 10 17
VDS* 9   7  
Genital Herpes 6   2  
Genital Warts 3   1  
Mode of delivery
Vaginal delivery 52 87 50 83
Elective ǂc-section 2 3 4 7
Emergency c-section 6 10 6 10
Mean duration of labour 8 hours sd = 7 9 hours sd = 5
Median period from rapture of membranes to delivery 5 minutes IQR 5-45 10 minutes IQR 5-25
  1. *VDS = Gonorrhoea, Chlamydia, Trichomonas ǂC = caesarean.