Table 2 The number of THRs with a reoperation due to infection found by either of the two methods including calculated sensitivity, specificity, positive predictive value (PPV), negative predictive values (NPV) and method agreement by Cohen’s Kappa
From: Validation of reoperations due to infection in the Swedish Hip Arthroplasty Register
Questionnaire data | ||||
|---|---|---|---|---|
Yes | No | |||
SHPR reoperation data | Yes | 302 | 98 | 400 |
No | 199 | 46759 | 46958 | |
501 | 46857 | 47358 | ||
Sensitivity | 0.60 | |||
Specificity | 0.99 | |||
PPV | 0.76 | |||
NPV | 0.99 | |||
Agreement | 0.67 |