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Table 1 Baseline characteristics of the study cohort

From: Inflammatory anemia-associated parameters are related to 28-day mortality in patients with sepsis admitted to the ICU: a preliminary observational study

 

Control (n = 20)

Survivor (n = 110)

Non-survivor (n = 88)

P valuea

Age (years)

65.6 (27–88)

69.9 (28–91)

68.7 (18–91)

0.732

Male [n (%)]

12 (60.0%)

74 (67.3%)

52 (59.1%)

0.234

Length of ICU stay (days)

–

15.5 (3.3–76.5)

13.8 (3.5–27.5)

0.535

Sources of sepsis [n (%)]

    

 Lung

–

72 (65.5%)

52 (59.1%)

0.358

 Abdomen

–

9 (8.2%)

11 (12.5%)

0.316

 Bile

–

22 (20.0%)

16 (18.2%)

0.747

 Kidney

–

4 (3.6%)

5 (5.7%)

0.492

 Skin/soft tissue

–

3 (2.7%)

4 (4.5%)

0.491

Comorbidities [n (%)]

    

 Hypertension

–

16 (14.5%)

15 (17.0%)

0.630

 Diabetes mellitus

–

27 (24.5%)

25 (28.4%)

0.539

 Stroke

—

14 (12.7%)

13 (14.8%)

0.677

 Acute myocardial infarction

—

2 (1.8%)

1 (1.1%)

0.697

 Deep venous thrombosis

—

3 (2.7%)

2 (2.3%)

0.839

Current smoker [n (%)]

2 (16.6%)

19 (17.3%)

17 (19.3%)

0.711

Postoperative patients [n (%)]

–

12 (10.9%)

10 (11.4%)

0.919

Patients using vasopressors on admission [n (%)]

–

6 (5.5%)

4 (4.5%)

0.322

Mechanical ventilation [n (%)]

–

41(37.3%)

79 (89.8%)

< 0.01

Ventilation time (hours)

–

151.5 (0–672)

243.2 (0–660)

< 0.01

PaO2/FiO2

406 (342–463)

244 (121–340)

183 (96–240)

< 0.01

Procalcitonin (ng/mL)

0.02 (0.01–0.04)

3.16 (0.38–56.8)

6.56 (0.87–97.5)

< 0.01

Lactate (mmol/L)

1.0 (0.5–1.7)

2.4 (1.3–3.5)

3.9 (1.8–6.2)

< 0.01

Creatinine (µmol/L)

75 (41–100)

119 (56–188)

138 (65–198)

< 0.01

Hemoglobin (g/L)

135 (130–144)

125 (103–163)

123 (100–161)

0.105

Reticulocytes (×109/L)

87 (76–107)

63 (38–92)

45 (27–68)

< 0.01

Mean corpuscular volume (fL)

90 (85–98)

84 (76–94)

79 (69–89)

< 0.01

Mean corpuscular hemoglobin (pg)

30 (28–33)

29 (24–34)

27 (22–31)

< 0.01

MCHC (g/L)

335 (319–349)

329 (302–352)

306 (290–320)

< 0.01

SOFA score

–

7 (4–13)

10 (6–15)

< 0.01

  1. Values are the median (range)
  2. ICU intensive care unit; NS not significant; SOFA Sequential Organ Failure Assessment; MCHC mean corpuscular hemoglobin concentration
  3. aIndicates the P values for the comparison of survivor and non-survivor groups