| Monitoring intervals | ART regimen | (n) | Grade 1 (%) | Grade 2 (%) | Grade 3 (%) | Grade4 (%) | Total Toxicity (%) |
| Two Weeks | NVP-based | 164 | 10.2 | 0.4 | 0.0 | 0.0 | 10.6 |
| EFV-based | 39 | 10.3 | 0.0 | 2.6 | 0.0 | 12.9 | |
| Six Weeks | NVP-based | 75 | 8.0 | 4.0 | 1.3 | 1.3 | 14.6 |
| EFV-based | 20 | 20.0 | 0.0 | 0.0 | 0.0 | 20.0 | |
| Three months | NVP-based | 104 | 8.7 | 4.8 | 2.9 | 0.0 | 16.4 |
| EFV-based | 54 | 13.0 | 3.7 | 0.0 | 0.0 | 16.7 | |
| Six Months | NVP-based | 132 | 21.9 | 4.5 | 0.0 | 0.0 | 26.5 |
| EFV-based | 64 | 21.9 | 4.7 | 0.0 | 1.6 | 28.2 | |
| One Year | NVP-based | 105 | 18.1 | 4.8 | 0.0 | 0.0 | 22.9 |
| EFV-based | 27 | 3.7 | 3.7 | 0.0 | 3.7 | 11.1 |