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Table 2 Comparison between studied groups regarding post-1- to 2-week clinical evaluation and final outcome

From: Evaluation of beta-blocker effects on patients with traumatic brain injury: interventional double-blinded randomized controlled trial

 

Beta-blocker group (n = 20)

Control group (n = 20)

Test of sig

p-value

No

%

No

%

GCS

  

U

 

 Mean ± SD

13.00 ± 4.12

10.5 ± 5.18

2.370

0.018*

 Range

3–15

3–15

CT brain

CT result

  

χ2

 

  Abnormal finding

9

45.0

12

60.0

0.902

0.342

  No finding

11

55.0

8

40.0

Contusion

  

FE

 

  Yes

1

5.0

0

0.0

1.026

1.000

  No

19

95.0

20

100.0

HGE

  

χ2

 

  Yes

7

35.0

11

55.0

1.616

0.204

  No

13

65.0

9

45.0

Brain edema

  

FE

 

  Yes

1

5.0

0

0.0

1.026

1.000

  No

19

95.0

20

100.0

Fracture

  

FE

 

  Yes

1

5.0

4

20.0

2.057

0.342

  No

19

95.0

16

80.0

Need for mechanical ventilation

  

FE

 

 Yes

3

15.0

6

30.0

1.290

0.451

 No

17

85.0

14

70.0

  1. U Mann–Whitney test, FE Fisher’s exact test, χ2 chi-square test
  2. *P < 0.05: significant