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Table 2 HIV-free survival, HIV-infection and infants’ mortality according to the early infants’ feeding pattern

From: HIV-free survival according to the early infant-feeding practices; a retrospective study in an anti-retroviral therapy programme in Makurdi, Nigeria

  Kaplan- Meier estimate at the 3rd month % (95CI) P value = between EBF and EBMS Kaplan- Meier estimate at the 18th month %(95CI) P value = between EBF and EBMS P value between HFS rates at 3rd month and 18th month
   P value* = between EBF and MIXED   P value* = between EBF and MIXED  
   P value^=between EBMS and MIXED   P value^=between EBMS and MIXED  
Cumulative overall HFS 94.4%   87.1%   0.000
HFS according to feeding pattern      
EBF 97.4% (95.4 -99.4) 0.078 92.5% (89.26-95.74) 0.107 0.027
EBMS 99.1% (98.6- 99.6) *0.000 86.2% (84.55-87.85) *0.000 0.000
MF 75.7% (65.0 -86.4) ^0.000 69.8% (58.39-81.21) ^0.000 0.466
HIV-infection      
EBF 1.5% (0.004 -2.99) 0.027 7.0% (3.86-10.14) 0.237 0.007
EBMS 0.2% (0.014-0.414) *0.000 4.3% (3.33-5.27) *0.000 0.000
MF 1.26% (4.35-20.85) ^0.000 27.1% (16.05-38.15) ^0.000 0.047
Death      
EBF 0% (NA) 0.395 1.1% (−0.18-2.38) 0.567 0.142
EBMS 0.4% (0.092 – 0.703) *0.002 2.1% (1.41-2.79) *0.000 0.012
MF 4.9% (−0.47 -10.27) ^0.000 12.1 (3.99-20.21) ^0.000 0.157
  1. Legends: HFS = HIV free survival; EBF = exclusive breast feeding; EBMS = exclusive breast milk substitute feeding; MF = mixed feeding; NA = not available. The rates of fall in HFS over the 3rd and the 18th month was compared by sample t-test for proportions between infants on: EBF and EBMS, p-value =0.002, t-statistics = 3.096; MF and EBMS, p-value = 0.114, t-statistics = 1.584; MF and EBF, p-value = 0.758, t-statistics = 0.309.