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Table 3 Multivariate analysis of variables predicting postoperative pneumonia

From: Comparison of short-term outcomes between transthoracic and robot-assisted transmediastinal radical surgery for esophageal cancer: a prospective study

Univariate     Multivariate   
Variables OR 95% CI p value OR 95% CI p value
Sex:Male 1.95 0.22–17.45 0.52    
Smoking history: Yes 0.77 0.17–3.41 0.74    
Age 75 9.38 1.96–44.91 0.0051 9.17 1.57–76.65 0.014
Surgical approach: TTE 0.0002 0.0006
Operation duration 434 min 0.51 0.13–1.95 0.31    
Blood loss 410 ml 2.26 0.60–8.49 0.23    
pStage III 0.65 0.15–2.75 0.55    
Preoperative respiratory abnormality: Yes 1.97 0.49–8.00 0.35    
  1. CI Confidence interval, OR Odds ratio, TTE Transthoracic esophagectomy