Table 2.
Estimates of risk of therapeutic failure of chloroquine in treatment of P. vivax, Debre Zeit, Ethiopia.
| D | N | TF | Ex | IRD | FCID |
| Day 0 | 87 | 0 | 0 | 1.000 | 0 |
| Day 1 | 87 | 0 | 1 | 1.000 | 0 |
| Day 2 | 86 | 0 | 0 | 1.000 | 0 |
| Day 3 | 86 | 0 | 1 | 1.000 | 0 |
| Day 7 | 85 | 0 | 1 | 1.000 | 0 |
| Day 14 | 84 | 0 | 0 | 1.000 | 0 |
| Day 21 | 84 | 0 | 1 | 1.000 | 0 |
| Day 28 | 83 | 4 | 0 | 0.954 | 0.046 |
| Total | 4 | 4 | |||
D = day of test, N = number of subjects remaining at risk, TF = incident cases of therapeutic failure, Ex = excluded due to loss to follow-up, withdrawal or protocol violation, IRD = interval risk, FCID = cumulative incidence of therapeutic failure