Right eyes | |||||||
---|---|---|---|---|---|---|---|
Referral Criteria | Serious | Not serious | Total | Sensitivity | Specificity | PPV | NPV |
VA<6/18 or pain Neither of above Total | 504 283 787 | 202 308 510 | 706 591 1297 | 64.0 | 60.4 | 71.4 | 52.1 |
VA<6/18 or pain or red eye None of above Total | 544 243 787 | 252 258 510 | 796 501 1297 | 69.1 | 50.6 | 68.3 | 51.5 |