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Table 1 Patient characteristics according to presence of sepsis during ICU stay

From: Comparison of 6-month outcomes of sepsis versus non-sepsis critically ill patients receiving mechanical ventilation

 

Sepsis (n = 282)

No sepsis (n = 606)

p valuea

Age, years

60.1 (47.0–69.8)

59.1 (45.4–69.6)

0.438

Male gender—no. (%)

174 (61.7)

377 (62.2)

0.882

Body mass index, kg/m2

27.0 (23.5–31.2)

26.6 (23.1–30.9)

0.393

Marital status—no. (%)

   

 Separated or divorced

7/130 (5.4)

45/353 (12.7)

0.020

 Living with a loved one

76/130 (58.5)

227/353 (64.3)

0.245

APACHE III

74.0 (57.0–96.0)

59.0 (44.0–80.0)

 < 0.001

Type of admission—no. (%)

  

 < 0.001

 Medical

217/280 (77.5)

321/597 (53.8)

 

 Surgical

63/280 (22.5)

276/597 (46.2)

 

Sepsis at ICU admission

128/280 (45.7)

0/605 (0.0)

 < 0.001

Acute respiratory failure

50/265 (18.9)

31/549 (5.6)

 < 0.001

Cardiac arrest

13/276 (4.7)

83/583 (14.2)

 < 0.001

Diagnosis category—no. (%)

  

 < 0.001

 Cardiovascular

59/280 (21.1)

238/605 (39.3)

 

 Gastrointestinal

24/280 (8.6)

58/605 (9.6)

 

 Gynecological

0/280 (0.0)

2/605 (0.3)

 

 Hematological

0/280 (0.0)

2/605 (0.3)

 

 Metabolic

3/280 (1.1)

41/605 (6.8)

 

 Musculoskeletal and skin

7/280 (2.5)

14/605 (2.3)

 

 Neurological

6/280 (2.1)

33/605 (5.5)

 

 Renal and genitourinary

2/280 (0.7)

6/605 (1.0)

 

 Respiratory

36/280 (12.9)

118/605 (19.5)

 

 Sepsis

128/280 (45.7)

0/605 (0.0)

 

 Trauma

15/280 (5.4)

93/605 (15.4)

 

Co-existing disorders–—no. (%)

   

 Chronic respiratory failure

  

0.016

  Lung transplant

7/279 (2.5)

41/590 (6.9)

 

  Other

15/279 (5.4)

24/590 (4.1)

 

 Chronic cardiovascular disease

12/279 (4.3)

32/590 (5.4)

0.619

 Chronic liver disease

12/279 (4.3)

19/590 (3.2)

0.437

 Chronic kidney disease

8/279 (2.9)

20/590 (3.4)

0.838

 Chronic immune disease

8/279 (2.9)

9/590 (1.5)

0.195

 Chronic immunosuppression

29/279 (10.4)

42/590 (7.1)

0.112

 Diabetes

95/276 (34.4)

183/584 (31.3)

0.391

Hospital source of admission–—no. (%)

  

 < 0.001

 Home

163/276 (59.1)

408/586 (69.6)

 

 Other acute hospital not ICU

57/276 (20.7)

140/586 (23.9)

 

 Other hospital ICU

55/276 (19.9)

28/586 (4.8)

 

 Rehabilitation

1/276 (0.4)

6/586 (1.0)

 

 Nursing home

0/276 (0.0)

3/586 (0.5)

 

 Mental health

0/276 (0.0)

1/586 (0.2)

 

ICU source of admission–—no. (%)

  

 < 0.001

 Emergency room

79/280 (28.2)

197/596 (33.1)

 

 Operating room

64/280 (22.9)

276/596 (46.3)

 

 Ward

64/280 (22.9)

63/596 (10.6)

 

 Other hospital ICU

70/280 (25.0)

57/596 (9.6)

 

 Other ICU

3/280 (1.1)

3/596 (0.5)

 

 Treatment limitation at ICU admission–—no. (%)

10/269 (3.7)

11/559 (2.0)

0.177

Clinical frailty score at ICU admission–—no. (%)

  

0.121

 Non-frail

175/216 (81.0)

333/424 (78.5)

 

 Mild-to-moderate frail

33/216 (15.3)

84/424 (19.8)

 

 Severely frail

8/216 (3.7)

7/424 (1.7)

 

Organ support during ICU stay–—no. (%)

   

 Renal replacement therapy

95/190 (50.0)

58/395 (14.7)

 < 0.001

 Extracorporeal membrane oxygenation

33/255 (12.9)

27/525 (5.1)

 < 0.001

 Noninvasive ventilation

69/238 (29.0)

83/496 (16.7)

 < 0.001

 Tracheostomy

22/189 (11.6)

21/402 (5.2)

0.009

 Inotrope and/or vasopressor

187/193 (96.9)

333/397 (83.9)

 < 0.001

Laboratory test at ICU admission

   

 pH

7.31 (7.24–7.40)

7.34 (7.27–7.40)

0.085

 PaO2/FiO2

181.0 (112.9–288.0)

242.2 (153.1–337.4)

 < 0.001

 Lactate, mmol/L

2.8 (1.8–5.3)

2.4 (1.6–4.4)

0.037

  1. Data are median (quartile 25%—quartile 75%) or No (%). Percentages may not total 100 because of rounding. Denominators are shown when the overall sample size was not available
  2. APACHE, Acute Physiology and Chronic Health Evaluation; ICU, intensive care unit
  3. ap values from Wilcoxon rank-sum test for continuous variables or Fisher exact test for categorical variables