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Diagnostic statistics and 95% CI for assessing the diagnostic accuracy of anorectal swabbing: development sample
| Parameter | Estimate (95% CI)* |
|---|---|
| Diagnostic odds ratio | 636 (534–758) |
| Sensitivity | 87·2 (86·6–87·8) |
| Specificity | 98·9 (98·7–99·1) |
| Positive predictive value | 98·6 (98·3–98·8) |
| Negative predictive value | 90·3 (89·8–90·8) |
| Positive likelihood ratio | 82·1 (69·7–96·8) |
| Negative likelihood ratio | 0·129 (0·123–0·136) |
Cluster robust standard errors specified.
