Table 4 Clinical related characteristics of TBI patients admitted to East Amhara comprehensive specialized hospitals from 1st January 2016 to 31st December 2021 (n = 429)

Admitted RR

12–24

299

69.7

> 24

130

30.3

Admitted PR

< 60

29

6.8

60–100

306

71.3

> 100

94

21.9

Admitted T⁰ C

< 36

32

7.5

36–38

372

86.7

> 38

25

5.8

Admitted systolic BP

< 90

89

20.7

90–139

273

63.6

≥ 140

67

15.6

Admitted diastolic BP

< 60

68

15.8

60–90

303

70.6

> 90

58

13.5

Admitted Oxygen saturation

< 90

327

76.2

≥ 90

102

23.8

Increased ICP

Yes

49

11.4

No

380

88.6

Pupillary reactivity

unilateral reactive

178

41.5

Bilateral reactive

162

37.8

Bilateral non-reactive

89

20.7

Severity of TBI

Severe

151

35.2

Moderate

228

53.1

Mild

50

11.7

Co-existing injuries

Yes

329

76.7

No

100

23.3

Types of co-existing injuries (n = 329)

Neck injury

91

27.6

Chest injury

73

22.2

Extremity injury

61

18.5

Abdominal injury

48

14.5

Pelvic injury

31

9.4

Others*

29

8.8

Any comorbidities

Yes

43

10.1

No

386

89.9

Types of comorbidity (n = 43)

HTN

24

55.8

Others**

19

44.2

Blood transfusion after admission

Yes

79

18.4

No

350

81.6

Amount of blood transfused in bag (n = 79)

1

57

72.2

> 1

22

27.8

Admitted to ICU

Yes

126

29.4

No

303

70.6

Aspiration pneumonia

Yes

89

20.7

No

340

79.3