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Table 3 Probabilities of retention in Option B+ over a 24 months period

From: Retention of HIV infected pregnant and breastfeeding women on option B+ in Gomba District, Uganda: a retrospective cohort study

Time (Months) No. of women LTFU Netc Lost Retention probabilityb SEa 95% CIa
1 518 94 0 0.82 0.02 0.78 0.84
3 424 42 0 0.74 0.02 0.69 0.77
6 382 40 0 0.66 0.02 0.62 0.70
12 342 30 0 0.60 0.02 0.56 0.64
18 312 38 0 0.53 0.02 0.49 0.57
25 274 34 240 0.46 0.02 0.42 0.51
  1. aSE stands for Standard error, CI, for Confidence intervals
  2. bThe probability of retention is 0.6 by 12 months and 0.46 by 25 months in care
  3. cRight censoring was done, with all those who completed the duration of the study censored