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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