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Table 2 The average time-to-event among recipients of first-line and second-line/third-line cART from Princess Marina Hospital HIV clinic and Bontleng HIV clinic in Botswana (N = 531)

From: Incidence of diabetes mellitus-related comorbidities among patients attending two major HIV clinics in Botswana: a 12-year retrospective cohort study

cART regimen

Mean survival time or average time-to-the event (years)

Estimate

Standard error of the mean

95% confidence interval

Lower boundary

Upper boundary

First-line

10.6

0.3

10.1

11.1

Second-line/third-line

12.7

0.3

12.2

13.2

Average

11.7

0.2

11.3

12.2

  1. Kaplan–Meier survival curves (Fig. 1) demonstrate a significant (p < 0.003) difference between the two exposure variables of interest, first-line cART and second-line/third-line cART
  2. DRC development Log-rank (Mantel–Cox) Chi square = 8.98; df = 1, p = 0.003