Research Article

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.

VariablesCategoryYes (%)No (%)COR, 95% CI value

Age15–4725 (26.6%)141 (73.1%)1
48–6315 (16%)40 (20.7%)0.735 (0.136–3.971)0.720
≥6454 (57.4%)12 (6.2%)0.078 (0.011–0.552)0.011

Surgical procedureUpper abdominal51 (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 anesthesiaGeneral83 (88.3%)166 (86%)0.177 (0.005–6.167)0.339
Regional11 (11.7%)27 (14%)1

Duration of surgery<2 h13 (13.8%)126 (65.3%)1
2-3 h12 (12.8%)51 (26.4%)2.003 (0.286–14.026)0.484
>3 h69 (73.4%)16 (8.3%)0.064 (0.011–0.381)0.003

Type of operationElective40 (42.6%)77 (39.9%)1
Emergency54 (57.4%)116 (60.1%)0.574 (0.117–2.809)0.493

Smoking statusNever smoker42 (44.7%)167 (86.5%)1
Former smoker9 (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<3.579 (84%)21 (10.9%)0.067 (0.014–0.322)0.067
≥3.515 (16%)172 (89.1%)1

Pain scoreNone024 (12.4%)1
Mild4 (4.3%)134 (69.4%)0.000
Moderate63 (67%)35 (18.1%)0.000
Severe27 (28.7%)00.000

COR, crude odds ratio; 1, reference. The variables that were candidate for multivariate analysis.