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Table 2 Characteristics of patients with septic shock in the entire study cohort and propensity-matched sample

From: Activated protein C in septic shock: a propensity-matched analysis

 

Overall

n= 563

n (%)

Treated

matched

n= 108

n (%)

Untreated

matched

n= 108

n (%)

P a

Patient characteristics

    

   Age in yrs, mean, SD c

67.1(15.5)

62.9 (17.2)

64.2 (16.1)

0.53

   Male c

284 (50.4)

60 (55.6)

57 (52.8)

0.64

   Body mass index, mean, SD c

28.0 (8.6)

27.3 (7.8)

27.8 (7.5)

0.66

   APACHE II, mean, SD c

24.8 (8.3)

24.5 (8.4)

23.9 (8.3)

0.54

Comorbidities

    

   Congestive heart failure c

86 (15.3)

10 (9.2)

15 (13.9)

0.28

   Diabetes c

172 (30.5)

25 (23.2)

20 (18.5)

0.40

   Hypertension c

320 (56.9)

51(47.2)

53 (49.1)

0.76

   Chronic pulmonary disease c

266 (47.3)

42 (38.9)

40 (37.0)

0.77

   Neurologic disease c

8 (1.4)

1(0.9)

0 (0)

1.00

   Chronic kidney disease c

132 (23.5)

22 (20.4)

24 (22.2)

0.73

   Cancer c

121(21.5)

7 (6.5)

7 (6.5)

1.00

   Chronic liver disease c

36 (6.4)

10 (9.3)

8 (7.4)

0.62

   Chronic pancreatitis c

3 (0.5)

1(0.9)

1(0.9)

1.00

Organ failure

    

   Kidney c

161(28.6)

33 (30.6)

34 (31.5)

0.88

   Respiratory c

296 (52.6)

61 (56.5)

61 (56.5)

1.00

   Hematologic c

214 (38.0)

52 (48.1)

49 (45.4)

0.67

   Metabolic/lactic acidosis c

262 (46.5)

60 (55.6)

60 (55.6)

1.00

Number of organ failures

    

   1

104 (18.5)

13 (12.0)

12 (11.1)

 

   2

169 (30.0)

30 (27.8)

32 (29.6)

 

   3

147 (26.1)

30 (27.8)

32 (29.6)

0.97b

   4

102 (18.1)

24 (22.2)

20 (18.5)

 

   5

41 (7.3)

11 (10.2)

12 (11.1)

 

Inotrope c

123 (21.9)

30 (27.8)

32 (29.6)

0.77

Steroid c

219 (38.9)

50 (46.3)

46 (42.6)

0.59

Insulin drip c

153 (27.2)

37 (34.3)

32 (29.7)

0.46

Statins c

65 (11.6)

19 (17.6)

16 (14.8)

0.59

Chemical DVT prophylaxis c

319 (56.7)

76 (70.4)

74 (68.5)

0.77

Sepsis source

    

   Abdomen

86 (15.3)

12 (11.1)

20 (18.5)

 

   Blood

34 (6.0)

9 (8.3)

3 (2.8)

 

   Lung

251 (44.6)

54 (50.0)

42 (38.9)

0.08b

   Urinary Tract

101 (17.9)

20 (18.5)

22 (20.4)

 

   Other/unknown

91 (16.2)

13 (12.0)

21 (19.4)

 
  1. a The P- value for treated matched vs. untreated matched adjusted for matching by propensity.
  2. b P-values, one for the number of organ failures, and one for sepsis source, because each test is being done as a chi-square test on a 2 × 5 crosstable.
  3. c The 22 variables used in the propensity matching.
  4. Abbreviations: APACHE, Acute Physiology and Chronic Health Evaluation; DVT, deep vein thrombosis; P, P-value; SD, standard deviation; yrs, years.