Table 2 Comparison of clinical variables to predictions
From: How good is our diagnostic intuition? Clinician prediction of bacteremia in critically ill children
Clinical variables | Predict negative blood culture (n) | Predict positive blood culture (n) | OR (95% CI) | p-value |
|---|---|---|---|---|
Afebrile | 120 | 78 | ||
Febrile | 130 (52%) | 70 (47%) | 0.83 (0.356, 1.927) | p = 0.662 |
Normothermia | 193 | 126 | ||
Hypothermia | 57 (22%) | 18 (13%) | 0.48 (0.228, 1.027) | p = 0.059 |
Normotension | 175 | 83 | ||
Hypotension | 67 28% | 40 (33%) | 1.26 (0.477, 3.322) | p = 0.642 |
Normal WBC count | 92 | 63 | ||
Abnormal WBC count | 90 (49%) | 68 (52%) | 1.10 (0.419, 2.904) | p = 0.842 |
No bandemia | 81 | 23 | ||
Bandemia | 46 (36%) | 58 (72%) | 4.44 (1.970, 10.009) | p < 0.001 |
Normal Plt count | 111 | 62 | ||
Thrombocytopenia | 71 (39%) | 69 (53%) | 1.74 (0.792, 3.821) | p = 0.168 |
Normal CRP | 29 | 3 | ||
Abnormal CRP | 72 (71%) | 65 (96%) | 8.73 (2.581, 29.501) | p = 0.001 |
Normal lactate | 55 | 25 | ||
Lactemia | 21 (28%) | 40 (62%) | 4.19 (1.383, 12.699) | p = 0.011 |
Normal pH | 56 | 43 | ||
Acidosis | 83 (60%) | 59 (58%) | 0.93 (0.421, 2.037) | p = 0.848 |
Normal HCO3 | 116 | 78 | ||
Low HCO3 | 23 (17%) | 24 (24%) | 1.55 (0.468, 5.141) | p = 0.472 |
No base deficit | 82 | 51 | ||
Base deficit | 61 (43%) | 50 (50%) | 1.32 (0.519, 3.349) | p = 0.562 |