Table 3.
Diagnostic accuracy of SSI diagnosis within 48 h of submission of response, according to the overall evaluation, and the respective patient-reported symptoms and wound image evaluations on clinical review.
| Clinical diagnosis of SSI within 48 h | Diagnostic accuracy (%) | |||||||
|---|---|---|---|---|---|---|---|---|
| Yes | No | AUC (95% CI) | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) | ||
| Overall Impression | Moderate-high risk | 4 (16.0) | 21 (84.0) | 75.4 (55.5–95.2) | 57.1 (20.5–93.8) | 93.6 (90.9–96.2) | 16.0 (1.6–30.4) | 99.0 (97.9–100) |
| Low-risk | 3 (1.0) | 307 (99.0) | ||||||
| Wound Image | Moderate-high risk | 4 (23.5) | 13 (76.5) | 76.2 (56.3–96.0) | 57.1 (20.5–93.8) | 95.2 (92.7–97.8) | 23.5 (3.4–43.7) | 98.9 (97.6–100) |
| Low-risk | 3 (1.1) | 259 (98.9) | ||||||
| Patient-reported symptoms | Moderate-high risk | 7 (12.1) | 51 (87.9) | 92.2 (90.2–94.2) | 100 (100–100) | 84.4 (80.5–88.3) | 12.1 (3.7–20.5) | 100 (100–100) |
| Low-risk | 0 (0.0) | 276 (100.0) | ||||||