TABLE 1.
Confusion matrix of whole-slide classification results
| Human classification | Predicted classification (n) |
% sensitivity (CI)a | % specificity (CI)a | |||
|---|---|---|---|---|---|---|
| Gram negative | Gram-positive pairs or chains | Gram-positive clusters | Background | |||
| Gram negative | 51 | 1 | 0 | 17 | 98.1 (94.3–100) | 96.3 (93.7–98.9) |
| Gram-positive pairs or chains | 3 | 27 | 6 | 4 | 75.0 (60.9–89.0) | 98.4 (90.8–100) |
| Gram-positive clusters | 1 | 1 | 70 | 8 | 97.2 (93.4–100) | 93.2 (89.7–96.6) |
a
Data were determined based on slides where bacteria were detected. CI, 95% confidence interval.