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Table 1 Baseline characteristics of patients on statin therapy and non-statin therapy

From: Association between statin therapy and outcomes in critically ill patients: a nested cohort study

 

Statin

(n = 107)

Non-Statin

(n = 656)

P-value

Age, mean ± SD (yrs)

68.8 ± 11.0

49.3 ± 21.7

< 0.0001

Female gender, no. (%)

44 (41.1)

164 (25)

0.0005

APACHE II, mean ± SD

27.2 ± 6.9

23.0 ± 8.1

< 0.0001

SOFA day 1, mean ± SD

9.3 ± 3.2

9.2 ± 3.5

0.92

Creatinine, mean ± SD, μmol/L*

200.8 ± 152.6

152.3 ± 152.1

0.002

Platelets, mean ± SD, x109/L

270.7 ± 117.8

193.3 ± 123.3

0.0001

Bilirubin, mean ± SD, μmol/l

26.4 ± 63.6

31.6 ± 55.2

0.50

INR, mean ± SD

1.5 ± 0.7

1.5 ± 0.9

0.72

GCS, mean ± SD

9.4 ± 4.5

8.5 ± 4.0

0.05

ICU admission category, no. (%)

   

Postoperative

4 (3.7)

119 (18.1)

0.0002

Nonoperative

103 (96.3)

537 (81.9)

 

History of diabetes, no. (%)

84 (78.5)

219 (33.4)

< 0.0001

Mechanically ventilated, no. (%)

92 (86.0)

591 (90.1)

0.20

Vasopressors, no. (%)

73 (68.2)

423 (64.5)

0.45

Sepsis, no. (%)

28 (26.2)

166 (25.3)

0.85

Severe sepsis, no. (%)

26 (24.3)

207 (31.5)

0.13

Chronic respiratory, no. (%)

33 (30.8)

124 (18.9)

0.005

Chronic cardiac, no. (%)

54 (50.5)

103 (15.7)

< 0.0001

Chronic renal, no. (%)

29 (27.1)

74 (11.3)

< 0.0001

Chronic liver, no. (%)

4 (3.7)

50 (7.6)

0.15

Chronic immunocompromised, no. (%)

10 (9.4)

56 (8.5)

0.78

  1. SD: standard deviation, APACHE II: Acute physiology and chronic health evaluation II; SOFA: Sequential organ failure assessment; INR: International normalised ratio; GCS: Glasgow coma scale.
  2. *To convert units to mg/dl, divide by 88.4 for creatinine and 17.1 for bilirubin