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Table 1 Characteristics of patients according to the presence of infection in the biological sample

From: Reactive oxygen species measure for rapid detection of infection in fluids

 

Infected (n = 17)

Non-infected (n = 41)

All patients

Age (years)

58 (53–66)

59 (49–73)

59 (51–72)

Male sex

9 (53 %)

2 (59 %)

33 (57 %)

SIRS

17 (100 %)

41 (100 %)

58 (100 %)

Temperature (°C)

37.5 (37–38)

37.4 (36.6–38)

37.5 (36.6–38)

SOFA

8 (5–10)

7 (4–11)

7 (4–10)

SAPS II

51 (41–57)

41 (32–46)

43 (34–51)

ICU mortality n (%)

8 (47 %)

12 (29 %)

20 (34 %)

Time between ICU admission and sample analysis (days)

10 (1–20)

4 (2–9)

5 (2–12)

Blood PMN (/mm3)

14,904 (10,647–22,400)

10,530 (8550–17,860)

11,023 (8747–20,742)

Antibiotics at the time of sampling

14 (82 %)

27 (66 %)

41 (71 %)

Steroid treatment at the time of sampling

2 (12 %)

6 (15 %)

8 (14 %)

  1. Quantitative variables are expressed as medians (25th–75th percentiles) and qualitative variables as frequencies (%)
  2. ICU intensive care unit, SOFA Sequential Organ Failure Assessment Score, SIRS systemic inflammation response syndrome, SAPS II Simplified Acute Physiology Score, PMN polymorphonuclear neutrophils