Incidence and Associated Factors of Postoperative Pulmonary Complications after Abdominal Surgery in the Public Hospital, Addis Ababa, Ethiopia
Table 4
Bivariate analysis to assess the association of variables with postoperative pulmonary complications in surgical patients in public hospitals, Ethiopia.
Variables
Category
Yes (%)
No (%)
COR, 95% CI
value
Age
15–47
25 (26.6%)
141 (73.1%)
1
48–63
15 (16%)
40 (20.7%)
0.735 (0.136–3.971)
0.720
≥64
54 (57.4%)
12 (6.2%)
0.078 (0.011–0.552)
0.011
Surgical procedure
Upper abdominal
51 (54.3%)
118 (61.1%)
4.033 (0.119–137.217)
0.438
Lower abdominal
Both
12 (12.8%)
34 (17.6%)
1
31 (33%)
41 (21.2%)
6.463 (0.125–334.303)
0.354
Type of anesthesia
General
83 (88.3%)
166 (86%)
0.177 (0.005–6.167)
0.339
Regional
11 (11.7%)
27 (14%)
1
Duration of surgery
<2 h
13 (13.8%)
126 (65.3%)
1
2-3 h
12 (12.8%)
51 (26.4%)
2.003 (0.286–14.026)
0.484
>3 h
69 (73.4%)
16 (8.3%)
0.064 (0.011–0.381)
0.003
Type of operation
Elective
40 (42.6%)
77 (39.9%)
1
Emergency
54 (57.4%)
116 (60.1%)
0.574 (0.117–2.809)
0.493
Smoking status
Never smoker
42 (44.7%)
167 (86.5%)
1
Former smoker
9 (9.6%)
13 (6.7%)
1.005 (0.097–10.354)
0.997
Current smoker
43 (45.7%)
13 (6.7%)
0.453 (0.069–2.992)
0.411
Preoperative saturation
<94%
77 (81.9%)
22 (11.4%)
0.257 (0.057–1.164)
0.078
≥94%
17 (18.1%)
171 (88.6%)
1
Postoperative serum albumin
<3.5
79 (84%)
21 (10.9%)
0.067 (0.014–0.322)
0.067
≥3.5
15 (16%)
172 (89.1%)
1
Pain score
None
0
24 (12.4%)
1
Mild
4 (4.3%)
134 (69.4%)
0.000
Moderate
63 (67%)
35 (18.1%)
0.000
Severe
27 (28.7%)
0
0.000
COR, crude odds ratio; 1, reference. ∗The variables that were candidate for multivariate analysis.