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Table 3 Univariate analysis of clinical risk factors for postoperative pulmonary complications

From: The prevalence of pulmonary complications after thoracic and abdominal surgery and associated risk factors in patients admitted at a government hospital in Harare, Zimbabwe-a retrospective study

Characteristic Postoperative pulmonary complication OR (95% CI) p value
Yes No
Duration period of surgery (min), mean ± sd 148.8 ± 75.0 82.7 ± 35.7 1.02 (1.01–1.03) <0.001a
Length of critical care stay (days), mean ± sd 6.4 ± 7.3 0.6 ± 1.3 1.73 (1.32–2.26) <0.001a
Length of hospital stay (days), mean ± sd 14 ± 7.6 6.3 ± 7.7 1.36 (1.17–1.57) <0.001a
Category of diagnosis
 Inflammations 17 34 1 0.634
 Infective 7 10 1.33 (0.41–4.36)
 Trauma 5 3 2.00 (.36–10.97) 0.425
 Tumors 10 6 3.60 (1.04–12.42) 0.043a
Comorbidities
None 17 42 1 0.001a
Present 22 11 4.94 (1.97–12.36)
Outcome
Deceased 5 5 1 0.607
Discharged 34 48 0.71 (0.19–2.64)
  1. aDenotes statistically significant