Table 5 Predictors of mortality according to univariate and multivariate logistic regression analysis

Age (years)

< 40

80 (85.1%)

14 (14.9%)

≥ 40

15(62.5%)

9 (37.5%)

2.21(1.32-5.33)

0.032

0.22 (0.01-0.86)

0.001

Sex

Male

82 (80.4%)

20 (19.6%)

Female

13(81.2%)

3(18.8%)

0.23(0.11-1.52)

0.056

1.72(0.37-2.21)

0.084

Pre-morbid illness

Present

6(75.0%)

2(25.0%)

Absent

88(80.0%)

22(20.0%)

2.42 (1.95-3.34)

0.045

1.92(0.23-8.11)

0.061

HIV status

Positive

6 (54.5%)

5 (45.5%)

Negative

89(83.2%)

18(16.8%)

0.96(0.34-1.75)

0.023

1.39(1.34-1.83)

0.012

CD4 count

≤ 200 cells/μL

1(25.0%)

3(75.0%)

> 200 cells/μL

5(71.4%)

2(28.6%)

1.38(1.11-4.91)

0.002

2.86 (1.64-6.32)

0.000

Mechanism of injury

Blunt

85(80.2%)

21(19.8%)

Penetrating

10(83.3%)

2(16.7%)

1.72(0.99-2.88)

0.056

0.98(0.66-2.86)

0.067

Injury-arrival time (hours)

≤ 24

69(80.2%)

17(19.8%)

> 24

26(81.2%)

6(18.8%)

3.28(0.43-4.21)

0.054

1.93(0.98-1.64)

0.062

Associated injuries

Present

32(66.7%)

16(33.3%)

Absent

63(90.0%)

7(10.0%)

1.84(1.12-4.28)

0.011

4.81(3.88-8.55)

0.004

KTSII

7-10

85(90.4%)

9(9.6%)

≤ 6

10(41.7%)

14(58.3%)

2.98(1.54-5.22)

0.002

1.98(1.11-3.44)

0.001

Splenic injury grade

I

4(100%)

-

II

14(93.3%)

1(6.7%)

1.98(1.43-4.91)

2.92(1.11-6.32)

III

35(76.1%)

11(23.9%)

0.23(0.12-0.83)

5.92(2.83-6.99)

IV

38(84.4%)

7(15.6%)

1.32(1.11-2.84)

0.34(0.13-0.95)

V

1(20.0%)

4(80.0%)

2.98(1.84-3.99)

< 0.05

0.21(0,11-0.97)

< 0.000

Admission SBP

≤ 90 mmHg

16(61.5%)

10(38.5%)

> 90 mmHg

79(85.8%)

13(14.1%)

1.08(1.01-3.89)

0.013

5.21(2.73-6.98)

0.022

Estimated blood loss

≤ 2000 mls

76(82.6%)

16(17.4%)

> 2000 mls

5(50.0%)

5(50.0%)

4.28(3,21-6.45)

1.81(1.14-6.11)

Not estimated

14(87.5%)

2(12.5%)

6.25(3.27-8.93)

< 0.05

3.23(1.29-4.94)

< 0.001

Postoperative complications

Present

21(58.3%)

15(41.7%)

Absent

74(90.2%)

8(9.8%)

8.12(3.89-9.93)

0.014

3.91(1.99-5.66)

0.010