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Table 3 Laboratory results

From: The laboratory risk indicator for necrotizing fasciitis (LRINEC) scoring: the diagnostic and potential prognostic role

 

LRINEC <6

(45%)

LRINEC ≥6

(55%)

P-value

Streptococcus (%)

51(40.8)

45 (33.1)

0.19

Staphylococcus (%)

47(37.6)

49 (35.8)

0.76

Bacteroides (%)

30 (24.0)

26 (18.9)

0.32

Escherichia coli (%)

15 (12)

16 (11.6)

0.92

Pseudomonas (%)

3 (2.4)

16 (11.7)

0.004

Proteus mirabilis (%)

0 (0)

5(3.6)

0.06

Gram positive (%)

94 (82.5)

99 (76.2)

0.09

Gram negative (%)

48 (42.1)

71 (54.6)

0.08

Causative bacteria (%)

 Type I (polybacterial) (%)

36 (31.6)

38 (29.2)

0.06 for all

 Type II (Monobacterial) (%)

70 (61.4)

70 (53.8)

 Type III (Murine bacteria) (%)

0 (0)

0 (0)

 Type IV (Fungal) (%)

8 (7.0)

22 (16.9)

 C-Reactive protein level, mean±SD

119 ± 82

249 ± 111

0.001

 Initial Procalcitonin level, median (range)

0.85(0.09-182)

8.1(0.07-303)

0.127

SOFA score

 Mean

8.7 ± 2.4

11.6 ± 3.3

0.001

 Median

8 (2-19)

11 (4-21)

LRINEC score

 Mean

3.7 ± 1.1

8.4 ± 2.1

0.001

 Median

4 (1-5)

8 (6-13)