Table 1.
Power, sensitivity and positive predictive value obtained by the three methods for the artificial cluster
| Method | Power | Sensitivity | PPV |
|---|---|---|---|
| Poisson | 0.6361 | 0.4828 | 0.6915 |
| ZIP | 0.9500 | 0.8671 | 0.8796 |
| ZIP+EM | 0.8612 | 0.7875 | 0.7513 |
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