Reasons for switching to second-line ART, at University of Gondar, Debretabor, and Flege Hiwot referral hospitals, 1 September 2006 to 8 April 2015
| Reasons for switching | Frequency | % |
|---|---|---|
| Immunological and virological failure | 144 | 40.5 |
| Immunological failure only | 132 | 37.1 |
| Clinical, immunological and virological failure | 32 | 8.9 |
| Immunological and clinical failure | 23 | 6.5 |
| Drug toxicity only | 17 | 4.8 |
| Virological failure only | 5 | 1.4 |
| Clinical failure only | 3 | 0.8 |
| Total | 356 | 100.00 |
ART, antiretroviral therapy.