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Table 3 Comparison of clinical variables to correctness of predictions

From: How good is our diagnostic intuition? Clinician prediction of bacteremia in critically ill children

Clinical variables

Correctly predict negative blood culture n (%)

Incorrectly predict negative blood culture n (%)

OR (95% CI)

p-value

Afebrile

114

6

  

Febrile

127 (61%)

3 (33%)

2.23 (0.60, 8.22)

0.229

Normothermia

189

4

  

Hypothermia

52 (22%)

5 (56%)

0.22 (0.03, 1.64)

0.139

Normotension

170

5

  

Hypotension

63 (27%)

4 (44%)

0.46 (0.04, 5.17)

0.532

Normal WBC count

88

4

  

Abnormal WBC count

85 (49%)

5 (56%)

0.77 (0.09, 6.33)

0.81

No bandemia

81

0

  

Bandemia

46 (36%)

0

  

Normal Plt count

103

8

  

Thrombocytopenia

70 (40%)

1 (11%)

5.44 (0.50, 58.88)

0.164

Normal CRP

28

1

  

Abnormal CRP

66 (70%)

6 (86%)

0.39 (0.03, 5.83)

0.497

Normal lactate

51

4

  

Lactemia

21 (29%)

0 (0%)

  

Normal pH

49

7

  

Acidosis

81 (62%)

2 (22%)

5.79 (0.72, 46.63)

0.099

Normal HCO3

107

9

  

Low HCO3

23 (18%)

0 (0%)

  

No base deficit

74

8

  

Base deficit

60 (45%)

1 (11%)

6.49 (0.60, 70.65)

0.125

  1. Results of logistic regression analysis comparing clinical variables to correctness of negative provider predictions of culture results. Abbreviations: WBC white blood cell count, Plt platelet, CRP C-reactive protein, HCO3 serum bicarbonate, n number of observations, CI confidence interval