Table 1 Differences in outcome parameters between the two groups (no-DC vs. DC).

From: The significance of decompressive craniectomy for older patients with traumatic brain injury: a propensity score matching analysis from large multi-center data

Parameters

All (n = 443)

No DC (n = 68)

DC (n = 375)

Odds ratio

95% Confidence interval

p-value

Death at 2 weeks

193

(43.6%)

30

(44.1%)

163

(43.5%)

0.974

0.579

1.639

0.921

Death at 6 months

236

(53.3%)

44

(64.7%)

192

(51.2%)

0.572

0.334

0.979

0.040*

mRS at 6 months

4.83

 ± 1.673

5.19

 ± 1.385

4.77

 ± 1.714

0.423

-0.009

0.855

0.055

     0

6

(1.4%)

0

(0.0%)

6

(1.6%)

   

0.028*

     1

33

(7.4%)

1

(1.5%)

32

(8.5%)

    

     2

26

(5.9%)

6

(8.8%)

20

(5.3%)

    

     3

16

(3.6%)

4

(5.9%)

12

(3.2%)

    

     4

38

(8.6%)

1

(1.5%)

37

(9.9%)

    

     5

88

(19.9%)

12

(17.6%)

76

(20.3%)

    

     6

236

(53.3%)

44

(64.7%)

192

(51.2%)

    

Favorable mRS score at 6 months

81

(18.3%)

11

(16.2%)

70

(18.7%)

0.841

0.419

1.686

0.621

  1. DC decompressive craniectomy, mRS modified Rankin Scale.