Table 2 Use of clinic and study data sources to ascertain study outcomes
Retained in C4C study | Lost to C4C study | |
|---|---|---|
Retained in care | Viral load and appointment data available from EMR, outside clinic records, and, when necessary, study phlebotomy | Viral load and appointment data available from EMR and (if permission obtained) outside clinic records |
Not retained in care | Phlebotomy performed to collect viral load data | Tracking attempted at study end to ascertain missing outcomes |