Neutrophil-to-Lymphocyte Ratio, Monocyte-to-Lymphocyte Ratio, Platelet-to-Lymphocyte Ratio, and Mean Platelet Volume-to-Platelet Count Ratio as Biomarkers in Critically Ill and Injured Patients: Which Ratio to Choose to Predict Outcome and Nature of Bacteremia?
Table 3
Baseline and laboratory characteristics of all patients according to blood cultures.
Characteristics
Gram-positive blood cultures
Gram-negative blood cultures
Polymicrobial blood cultures
Negative blood cultures
value
Number of patients (%)
65 (16.6%)
15 (3.8%)
184 (46.9%)
128 (32.7%)
—
Males, number (%)
40 (61.5%)
11 (73.3%)
96 (52.2%)
89 (69.5%)
—
Age (years)
50.46 ± 23.81
59.33 ± 12.66
53.71 ± 17.55
54.59 ± 16.41
Mortality (%)
18.5%
26.7%
71.2%
25.0%
—
WBC count (109/L)
13.95 ± 5.63
13.03 ± 4.27
12.20 ± 5.99
12.85 ± 5.02
Neutrophil (109/L)
11.10 (8.05–14.25)
10.80 (9.09–15.40)
10.20 (6.43–13.30)
9.96 (7.41–13.40)
Lymphocyte (109/L)
1.14 (0.84–1.60)
0.92 (0.60–1.07)
0.86 (0.58–1.26)
0.97 (0.72–1.41)
Monocyte (109/L)
0.63 (0.43–0.95)
0.48 (0.28–1.15)
0.56 (0.29–0.81)
0.67 (0.38–1.04)
Platelet (109/L)
229.02 ± 110.53
280.26 ± 167.22
215.99 ± 134.50
280.35 ± 182.70
MPV (fL)
8.77 ± 1.49
9.11 ± 1.37
9.40 ± 1.99
8.69 ± 1.50
MPV/PC ratio (fL 10−5μL−1)
3.5 (2.4–5.7)
5.3 (2.3–5.4)
4.4 (2.8–7.7)
3.5 (2.2–5.7)
NLR
9.71 (5.84–12.52)
11.44 (7.37–17.41)
11.13 (7.18–17.08)
11.35 (6.71–15.39)
MLR
0.44 (0.33–0.93)
0.54 (0.38–0.80)
0.57 (0.35–1.03)
0.67 (0.42–1.13)
PLR
197.70 (139.53–274.90)
228.38 (191.26–376.71)
220.95 (161.51–376.52)
264.00 (168.08–378.01)
Data are shown as number (%), mean (standard deviation, SD), or median (interquartile range, IQR) as appropriate. Significant differences are marked by () or ().