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Operating Characteristics by COLA Score
| Score | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | PLR |
|---|---|---|---|---|---|
| COLA ≥ 2 | 96 | 41 | 7 | 100 | 1.6 |
| COLA ≥ 3 | 70 | 81 | 15 | 98 | 3.7 |
| COLA ≥ 4 | 43 | 96 | 32 | 97 | 9.9 |
| COLA ≥ 5 | 19 | 99 | 50 | 96 | 21.1 |
Abbreviations: PPV, positive predictive value; NPV, negative predictive value ; PLR, positive likelihood ratio.
