Table 3 The incidence rates of second-line treatment failure in one year interval among adults living with HIV in Amhara Region (February 2008–April 2016)
One year interval | Person-time | failures | Incidence rate | 95%confidence interval |
|---|---|---|---|---|
1–12 | 10214.95 | 114 | 0.011 | (0.009 0.013) |
12–23 | 7286.56 | 68 | 0.009 | (0.007 0.118) |
23–34 | 5071.9 | 29 | 0.006 | (0.004 0.008) |
34–45 | 3420.44 | 18 | 0.005 | (0.003 0.008) |
45–56 | 2097 | 11 | 0.005 | (0.003 0.009) |
56–67 | 1168.18 | 8 | 0.007 | (0.003 0.137) |
67–78 | 442.43 | 2 | 0.005 | (0.001 0. 018) |
78–89 | 154.31 | 0 | …… | …… |
> 89 | 41.07 | 4 | 0.097 | (0.036 0.259) |
Total | 30907.57 | 254 | 0.008 | (0.007 0 .009) |