Table 6 Log-rank tests for equality of different categorical predictors among adult victims

Sex

Male

58

18.31(14.16–23.69)

6.8

0.0034

1

Female

5

5.33(2.22–12.81)

Marital status

Married

49

15.48(11.70-20.48)

11.21

0.0107

2

Single

11

13.43(7.44–24.25)

Windowed

3

22.55(33.64–68.70)

Occupation

Farmer

16

19.26(11.80-31.44)

14.3

0.0264

6

G. employee

5

9.12(3.79–21.91)

Merchant

11

12.77(7.07–23.06)

Student

5

17.75(7.39–42.64)

self- employee

7

11.55(5.51–24.23)

Driver

14

31.76(18.81–53.63)

Housewife

5

9.31(3.88–22.38)

The time of injury occurred

Day

44

11.65(8.67–15.65)

39.44

0.0000

1

Night

19

57.84(36.89–90.68)

Vehicle used

Public Bus

4

26.39(9.90–70.30)

46.74

0.0000

4

Minibus

26

12.59(8.57–18.49)

Heavy tracker

14

76.05(45.04–128.40)

Motorcycle

13

9.94(5.77–17.12)

Others

6

15.14(6.80-33.69)

Road user category

Pedestrian

9

17.81(92.69–34.24)

8.67

0.0341

2

Passenger

40

13.39(98.24–18.26)

Driver

14

22.82(13.51–38.52)

Source of referral

Referred

31

12.07(8.49–17.19)

31.84

0.0000

2

Self

15

12.06(7.27–20.01)

Direct from Scene

17

57.69(35.86–92.79)

Injured body part

Extremity

8

3.57(1.79–7.14)

63.3

0.0000

4

Abdomen

7

14.11(6.73–29.60)

Chest

13

53.98(31.35–92.98)

Head

32

34.30(24.26–48.51)

Others

2

11.15(2.79–44.60)

Polytrauma

Yes

34

30.99(22.14–43.36)

30.8

0.0000

1

No

29

9.64(6.70-13.87)

Visceral organ injury

Yes

15

52.10(31.41–86.42)

28.79

0.0000

1

No

48

12.57(9.48–16.68)

Bone fracture

Yes

52

18.95(14.01–24.13)

11.21

0.0008

1

No

11

8.62(4.78–15.57)

Comorbidity

Yes

24

50.47(33.83–75.30)

45.38

0.0000

1

No

39

10.74(7.85–14.71)