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Table 3 Factors associated with mortality

From: Patterns and outcomes of patients with abdominal trauma on operative management from northern Tanzania: a prospective single centre observational study

Characteristics

T

Death n (%)

Alive n (%)

COR (95% CI)

P-value

AOR (95% CI)

P-value

Age in years

 ≤ 20

31

2 (6.5)

29 (93.5)

Ref

   

 21–40

67

9 (13.4)

58 (86.6)

2.3 (0.5–11.1)

0.319

  

 > 40

38

7 (18.4)

31 (81.6)

3.3 (0.6–17.1)

0.159

  

Sex

 Male

115

13 (11.3)

102 (88.7)

Ref

   

 Female

21

5 (23.8)

16 (76.2)

2.5 (0.8–7.8)

0.129

  

Mechanism of injury

 Others

63

6 (9.5)

57 (90.5)

Ref

   

 RTA

73

12 (16.4)

61 (83.6)

1.9 (0.7–5.3)

0.241

  

Associated Injuries

 No

47

2 (4.3)

45 (95.7)

Ref

 

Ref

 

 Yes

89

16 (18)

73 (82)

4.9 (1.1–22.5)

0.039*

0.4 (0.04–3.9)

0.415

Head injury

 No

94

7 (7.4)

87 (92.6)

Ref

 

Ref

 

 Yes

42

11 (26.2)

31 (73.8)

4.4 (1.6–12.4)

0.005*

3.1 (0.8–11.8)

0.104

Chest injury

 No

90

9 (10)

81 (90)

Ref

   

 Yes

46

9 (19.6)

37 (80.4)

2.2 (0.8–6.0)

0.126

  

Pelvis injury

 No

124

14 (11.3)

110 (88.7)

Ref

 

Ref

 

 Yes

12

4 (33.3)

8 (66.7)

3.9 (1.0–14.7)

0.043*

2.6 (0.5–12.9)

0.235

Extremities

 No

99

11 (11.1)

88 (88.9)

Ref

   

 Yes

37

7 (18.9)

30 (81.1)

1.9 (0.7–5.3)

0.237

  

Time to admission

 ≤ 6

58

3 (5.2)

55 (94.8)

Ref

 

Ref

 

 > 6

78

15 (19.2)

63 (80.8)

4.4 (1.2–15.9)

0.025*

4.3 (1.0–18.9)

0.053*

Time to operation

 ≤6

82

11 (13.4)

71 (86.6)

Ref

   

 >6

54

7 (13.0)

47 (87.0)

1.0 (0.3–2.7)

0.939

  

NISS

 Mild

7

0

7 (100)

    

 Moderate

63

1 (1.6)

62 (98.4)

Ref

   

 Severe

66

17 (25.8)

49 (74.2)

21.7 (2.8–167.2)

0.003*

15.5 (1.5–160)

0.022*

Days in hospital (LOS)

 <7

121

13 (10.7)

108 (89.3)

Ref

 

Ref

 

 ≥7

15

5 (33.3)

10 (66.7)

4.2 (1.2–14.0)

0.022*

1.6 (0.3–6.9)

0.507

Systolic blood pressure

 <90(Shock)

41

10 (24.4)

31 (75.6)

Ref

 

Ref

 

 ≥90(Normal)

95

8 (8.4)

87 (91.6)

3.5 (1.3–9.7)

0.015*

0.6 (0.2–1.9)

0.360

SSI

 No

116

15 (12.9)

101 (87.1)

Ref

   

 Yes

20

3 (15.0)

17 (85.0)

1.2 (0.3–4.5)

0.801

  

Anaemia

 No

115

11 (9.6)

104 (90.4)

Ref

 

Ref

 

 Yes

21

7 (33.3)

14 (66.7)

4.7 (1.6–14.2)

0.006*

2.8 (0.7–11.1)

0.128

  1. *Statistically significant (p < 0.05), COR Crude odds ratio, AOR Adjusted odds ratio, T Total