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Table 3 Association between demographic and clinical characteristics and time to death

From: Patterns and predictors of early mortality among emergency department patients in Addis Ababa, Ethiopia

Characteristic

Sub categories

0–6 h

6+ h

P value

N (%)

N (%)

60 (32.3)

126 (67.7)

Baseline characteristics

 Age (years)

<30

18 (30.0)

33 (26.2)

0.49

30–50

19 (31.7)

33 (26.2)

>50

23 (38.3)

60 (47.6)

 Gender

Male

39 (65.0)

69 (55.7)

0.23

Female

21 (35.0)

55 (44.3)

 Cause of death

Congestive heart failure

8 (13.3)

14 (11.1)

0.03

Traumatic head injury

13 (21.7)

27 (21.4)

Other medical causes

5 (8.3)

18 (14.3)

Polytrauma/non-head trauma

12 (20.0)

5 (4.0)

Respiratory failure

6 (10.0)

22 (17.5)

Sepsis/Infection

10 (16.7)

25 (19.8)

Stroke

3 (5.0)

11 (8.7)

Unknown

3 (5.0)

4 (3.2)

 Triage level

Red

38 (63.3)

34 (27.6)

<0.01

Orange

20 (33.3)

69 (56.1)

Yellow

2 (3.3)

18 (14.6)

Green

0 (0)

2 (1.6)

 Method of referral

Referred from hospital, clinic, health centre

39 (69.6)

86 (71.1)

0.85

Self referral

17 (30.4)

35 (28.9)

 Duration of symptoms

<4 h

22 (37.3)

14 (11.4)

<0.01

4–24 h

12 (20.3)

40 (32.5)

>24–48 h

2 (3.4)

13 (10.6)

>48 h–1 week

11 (18.6)

15 (12.2)

>1 week

12 (20.3)

41 (33.3)

 Mode of transportation to ED

Ambulance

17 (29.8)

22 (18.2)

0.06

Car/truck

9 (15.8)

10 (8.3)

Taxi

27 (47.4)

83 (68.6)

Walk-in/carried

4 (7.0)

6 (5.0)

 # Prior ED visits in past 30 days

0

52 (86.7)

99 (80.4)

0.50

1

5 (8.3)

12 (9.8)

≥2

3 (5.0)

12 (9.8)

 Day of ED presentation

Weekday

44 (73.3)

81 (65.3)

0.28

Weekend

16 (26.7)

43 (34.7)

 Type of Payment

Free

11 (18.3)

21 (16.8)

0.80

Non-free (self-pay)

49 (81.7)

104 (83.2)

Timing and location of death

 Time of presentation to ED

Daytime

28 (46.7)

65 (52.9)

0.73

Evening

14 (23.3)

26 (21.1)

Overnight

18 (30.0)

32 (26.0)

 Time of death

Daytime

16 (27.6)

50 (40.0)

0.10

Evening

21 (36.2)

28 (22.4)

Overnight

21 (36.2)

47 (37.6)

 Location of death

In the ED

55 (93.2)

115 (92.7)

0.91

On the ward (any)

4 (6.8)

9 (7.3)