PJI cohort (n = 98) | Aseptic cohort (n = 165) | Sensitivity (95% CI) | Specificity (95% CI) | PV+ (95% CI) | PV− (95% CI) | |||||
---|---|---|---|---|---|---|---|---|---|---|
True positives | False negatives | Inconclusive | True negative | False positives | Inconclusive | |||||
New criteria | 78 (79.6%) | 5 (5.1%) | 15 (15.3%) | 145 (87.9%) | 8 (4.8%) | 12 (7.3%) | 94.9% (87.9–98.1%) | 95.2% (90.3–97.7%) | 92.1% (84.5–96.3%) | 96.9% (92.6–98.9%) |
ICM (2013) | 52 (53.1%) | 46 (46.9%) | / | 163 (98.8%) | 2 (1.2%) | / | 53.1% (42.8–63.1%) | 98.8% (95.2–99.8%) | 96.3% (86.2–99.4%) | 78.0% (71.6–83.3%) |
IDSA (2013) | 71 (72.4%) | 27 (27.6%) | / | 143 (86.7%) | 22 (13.3%) | / | 72.4% (62.3–80.8%) | 86.7% (80.3–91.3%) | 76.3% (66.2–84.3%) | 84.1% (77.6–89.1%) |