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Table 2 Clinical signs, laboratory findings, and outcomes of the 351 cellulitis cases

From: Development of a prediction model for bacteremia in hospitalized adults with cellulitis to aid in the efficient use of blood cultures: a retrospective cohort study

 

All (n = 351)

Positive blood culture (n = 33)

Negative blood culture (n = 318)

Odds ratio (95 % CI)

p-value

Involvement of non-lower extremities

74 (21.1)

13 (39.4)

61 (19.2)

2.74 (1.29–5.82)

0.007

SIRS at admission

121 (34.5)

27 (81.8)

94 (29.6)

10.72 (4.29–26.82)

<0.001

WBC, 109/L, mean (SD)

10.9 (5.1)

12.6 (6.5)

10.8 (4.9)

N/A

0.053

Lactic acid, mmol/L, mean (SD)

1.8 (1.2)

1.7 (0.9)

1.8 (1.2)

N/A

0.878

CRP, mg/dL, mean (SD)

7.3 (8.0)

9.8 (10.2)

7.0 (7.7)

N/A

0.149

GOT, IU/L, mean (SD)

33.2 (26.2)

36.3 (28.4)

32.9 (25.9)

N/A

0.544

GPT, IU/L, mean (SD)

31.6 (27.0)

33.8 (21.5)

31.4 (27.5)

N/A

0.616

Total bilirubin, mg/dL, mean (SD)

0.8 (1.0)

1.3 (1.8)

0.8 (0.7)

N/A

0.148

Prescription of antimicrobial agent prior to blood culture

7 (1.99)

1 (3.03)

6 (1.89)

1.63 (0.19–13.92)

0.655

  1. The data are expressed as number (%) unless otherwise indicated
  2. p-values were determined by chi-squared or Fisher’s exact tests, or by independent t-test
  3. CI confidence interval, CRP C-reactive protein, GOT glutamate oxaloacetate transaminase, GPT glutamate pyruvate transaminase, SIRS systemic inflammatory response syndrome, SD standard deviation, WBC white blood cell count