Table 2 Estimated number of LTFU cases among pre-ART patients at the end of observation periods spanning 3, 6, 12, 24, and 36 months at Sheka Zonal Hospital, southwest Ethiopia, between 2010 and 2013
| Observation period (in months) | LTFU cases | Cumulative loss | Cumulative loss in % |
|---|---|---|---|
| At 3 months | 136 | 136 | 76.40 |
| At 6 months | 30 | 166 | 93.26 |
| At 12 months | 5 | 171 | 96.06 |
| At 24 months | 7 | 178 | 100.00 |
| At 36 months | 0 | 178 | 100.00 |
| Total | 178 |