Lung ultrasound sign | PJP+ n (%) | PJP− n (%) | p-value | Se (95% CI) | Sp (95% CI) | PPV (95% CI) | NPV (95% CI) | LR+ (95% CI) | LR− (95% CI) |
---|---|---|---|---|---|---|---|---|---|
B-lines (> 2 per view) no B-lines in the scan | 14 (100%) | 6 (60%) | 0.0198 | 100% (76.84–100) | 45.45% (16.75–76.62) | 70% (57.64–80.01) | 100% – | 1.83 (1.07–3.14) | 0.00 – |
Pleural effusion | 0 (0%)a | 5 (50%) | 0.0059 | 0.00% (0.00–23.16) | 50.00% (18.71–81.29) | 0.00% – | 26.32% (16.12–39.90) | 0.00 – | 2.00 (1.08–3.27) |
Pneumothorax | 4 (28.5%) | 1 (10%) | 0.3577 | 40.00% (12.16–73.76) | 90.00% (55.50–99.75) | 80.00% (34.93–96.75) | 60.00% (46.48–72.15) | 4.00 (0.54–29.81) | 0.67 (0.39–1.15) |
Subpleural consolidation | 14 (100%) | 4 (40%) | 0.0016 | 100% (76.84–100) | 60.00% (16.24–87.84) | 77.78% (62.10–88.20) | 100% – | 2.50 (1.17–5.34) | 0.00 – |
Lung consolidation, any lung consolidations with “cystic” changes at the pulmonary basis | 8 (57.1%) | 5 (50%) | 1.0000 | 57.14% (28.86–82.34) | 50.00% (18.71–81.29) | 61.54% (42.60–77.52) | 45.45% (25.95–66.46) | 1.14 (0.53–2.46) | 0.86 (0.36–2.04) |
Lung consolidation with air bronchogram | 0 (0%) | 4 (40%) | 0.0198 | 0.00% (0.00–23.16) | 60.00% (26.24–87.84) | 0.00% – | 30.00% (20.53–41.55) | 0.00 – | 1.67 (1.00–2.76) |
Lung consolidation with cystic pattern | 8 (57.1%) | 0 (0%) | 0.0019 | 57.14% (28.86–82.34) | 100% (69.15–100) | 100% – | 62.50 (47.65–75.32) | – | 0.43 0.23–0.78 |