| Value | Category | Cases | |
|---|---|---|---|
| 1 | AZT (zidovudine) | 1 |
0.8%
|
| 2 | NVP (nevirapine) | 119 |
96.7%
|
| 3 | AZT + NVP | 2 |
1.6%
|
| 4 | Unknown | 1 |
0.8%
|
| Sysmiss | 2428 |