Effect of SCQ cut-off points for identifying ASD in extremely preterm children (n=173) at 11 years of age
| Number of positive screens | Predictive values | |||||
|---|---|---|---|---|---|---|
| SCQ cut-off score | ASD (n=11) | No ASD (n=162) | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) |
| ≥14* | 10 | 22 | 91% (59% to 99%) | 86% (80% to 91%) | 31% (16% to 50%) | 99% (96% to 100%) |
| ≥15† | 9 | 19 | 82% (48% to 98%) | 88% (82% to 93%) | 32% (16% to 52%) | 99% (95% to 100%) |
| ≥22 | 7 | 7 | 64% (31% to 89%) | 96% (91% to 98%) | 50% (23% to 77%) | 99% (94% to 99%) |