Table 3 Multivariate analysis of variables predicting postoperative pneumonia

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