Table 1: Number of patients included per treatment center according to the number of patients by sites evaluated in 2013 [16].
| Study sites | Total patients of the 2nd line of the active queue | Patient included | |
| N | % | ||
| Centre de traitement ambulatoire of Pointe-Noire | 138 | 56 | 40.58 |
| Hôpital de base Tie-Tié | 29 | 29 | 100.00 |
| Centre de traitement ambulatoire of Brazzaville | 155 | 110 | 70.97 |
| A. Sicé General Hospital | 25 | 25 | 100.00 |
| Centre Medico social Mayangui (ECC) | 60 | 41 | 68.33 |
| Total | 407 | 261 | 64.13 |