Table 5 Distribution of factors associated with prolonged intensive care unit stays among those admitted to adult intensive care units at selected public hospitals in Addis Ababa from January 1, 2022, to December 31, 2022 (n = 409).

Gender

Male

44 (10.8%)

181 (44.3%)

1.5 (0.9, 2.6)

1.5 (0.75, 2.99)

Female

25 (6.1%)

159 (38.9%)

1

1

Source of admission

Emergency department

41 (10.0%)

146 (35.7%)

2.4 (1.3, 4.5)

3.8 (0.65, 22.4)

In hospital wards

12 (2.9%)

56 (13.7%)

1.85 (0.8, 4.1)

2.65 (0.36,19.12)

OR

16 (3.9%)

138 (33.7%)

1

1

Frequency of ICU admission

New admission

60 (14.7%)

332 (81.2%)

1

1

Readmission

9 (2.2%)

8 (2.0%)

6.2 (2.3, 16.7)

3.6 (1.06, 12.58)

Pulse rate (beats/min)

60–100

30 (7.3%)

190 (46.5%)

1

1

 > 100

39 (9.5%)

150 (36.7%)

1.6 (0.97, 2.7)

1.6 (0.81, 3.3)

Systolic blood pressure (mmHg)

 ≥ 90

64 (15.6%)

297 (72.6%)

1

1

 < 90

5 (1.2%)

43 (10.5%)

1.8 (0.69, 4.7)

0.59 (0.19, 1.8)

Respiratory rate (breaths/min)

16–24

34 (8.3%)

213 (52.1%)

1

1

 > 24

35 (8.6%)

127 (31.1%)

1.7 (1.02, 2.9)

1.1 (0.53, 2.3)

Aspartate transaminase (IU/L)

6–40

37 (9.1%)

217 (53.3%)

1

1

 > 40

32 (7.9%)

121 (29.7%)

1.5 (0.9, 2.6)

1.26 (0.63, 2.54)

Serum creatinine (mg/dl)

 ≤ 1.2

57 (13.9%)

249 (60.9%)

1

1

 > 1.2

12 (2.9%)

91 (22.2%)

0.57 (0.29, 1.12)

0.44 (0.18, 1.05)

Sedatives

Yes

35 (8.6%)

59 (14.4%)

4.9 (2.8, 8.49)

2.75 (1.26, 6.01)

No

34 (8.3%)

281 (68.7%)

1

1

Mechanical ventilation

Yes

57 (13.9%)

125 (30.6%)

8.1 (4.2, 15.8)

2.4 (0.99, 5.8)

No

12 (2.9%)

215 (52.6%)

1

1

Complication

Yes

51 (12.5%)

56 (13.7%)

14.36 (7.8, 26.4)

8.39 (4.14, 16.9)

No

18 (4.4%)

284 (69.4%)

1

1