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Table 4 Severity of illness scores in readmitted and non-readmitted patients

From: Risk prediction of ICU readmission in a mixed surgical and medical population

Variables

Readmission (n = 27)

 

No. of readmission (n = 705)

 

p value

  

95 % CI

 

95 %CI

 

SAPS3, mean (SD)

56.0 (11.6)

51.4–60.6

50.5 (14.4)

49.5–51.6

0.50

MEWS, mean (SD)

2.3 (1.3)

 

1.8 (1.2)

 

0.03

SWIFT score, mean (SD)

16.1 (6.8)

13.4–18.9

13.0 (7.5)

12.4–13.6

0.03

  Length of ICU stay, dy, mean (SD)

3.0 (5.2)

1.2–4.5

2.8 (4.1)

2.6–3.4

0.88

  Source of admission n (%)

    

0.09

  Emergency

4 (15)

 

210 (30)

  

  Other source

23 (85)

 

495 (70)

  

  PaO2/FiO2 mmHg, mean (SD)

287 (109)

244–330

338 (119)

329–348

0.03

  GCS at discharge

14.7 (0.5)

14.5–14.9

14.7 (1.2)

14.6–14.8

0.91

  PCO2 mmHg, mean (SD)

41.0 (8.0)

37.8–44.2

39.7 (8.2)

39.1–40.3

0.42

  PCO2 mmHg, n (%)

    

0.04

  <45

18 (67)

 

526 (83)

  

  >45

9 (33)

 

111(17)

  

Modified SWIFT score, mean (SD)

13.5 (7.7)

 

17.6 (7.4)

 

0.007

SOFA score, mean (SD)

4.4 (2.8)

3.3–5.6

3.0 (2.2)

2.8–3.2

0.001

  Respiration

2.1 (1.1)

 

1.4 (1.1)

 

0.002

  Coagulation

0.8 (1.1)

 

0.4 (0.8)

 

0.07

  Liver

0.3 (0.6)

 

0.3 (0.7)

 

0.86

  Cardiovascular

0.3 (0.7)

 

0.3 (0.6)

 

0.78

  CNS

0.2 (0.5)

 

0.2 (0.6)

 

0.57

  Renal

0.8 (1.1)

 

0.4 (0.8)

 

0.06

  1. MEWS Modified Early Warning Score, SAPS3 Simplified Acute Physiology Score 3, SOFA Sequential Organ Failure Assessment score, SWIFT Stability and Workload Index for Transfer score