Referral was warranted n=95/153 |
Referrals triggered | 107 | 78 | 49 |
True positive (correct instrument generated referral) | 83 | 67 | 44 |
False positive referral (incorrect instrument generated referral) | 24 | 11 | 5 |
No referral triggered | 46 | 75 | 104 |
True negative (correct no referral generated) | 34 | 47 | 53 |
False negative (a referral should have been generated) | 12 | 28 | 51 |
Sensitivity (95% CIs) | 0.874 (0.821 to 0.927) | 0.705 (0.632 to 0.778) | 0.463 (0.384 to 0.542) |
Specificity (95% CIs) | 0.586 (0.508 to 0.665) | 0.810 (0.748 to 0.872) | 0.914 (0.869 to 0.958) |
Correctly classified (%) | 76.5 | 74.5 | 63.4 |