| 
 | Pscreen | confidence interval lengths | coverage | 
| Carve (50) | 0.92045 | 0.42066 | 0.974 | 
| Carve (75) | 0.93913 | 0.72218 | 0.986 | 
| Carve (90) | 0.95679 | 0.85426 | 0.984 | 
| No carve | 0.96067 | 0.67334 | 0.995 |