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Table 4 Risk factors associated with PPCs

From: Prevalence of and risk factors for pulmonary complications after curative resection in otherwise healthy elderly patients with early stage lung cancer

 

Univariate analysis

Multivariate analysis

Variable

OR (95% CI)

p-value

OR (95% CI)

p-value

Age

0.96 (0.88–1.06)

0.427

  

Sex, male

2.47 (1.35–4.55)

0.004

  

Smoking history (current & former)

2.25 (1.25–4.07)

0.007

  

ASA classification ≥3

1.79 (1.10–2.93)

0.019

1.91 (1.14–3.21)

0.014

BMI

1.15 (1.05–1.29)

0.003

0.86 (0.78–0.95)

0.004

Hemoglobin

1.18 (0.95–1.46)

0.066

  

Squamous vs. others

2.54 (1.33–4.84)

0.005

  

ILA

1.07 (1.02–1.12)

0.009

1.91 (1.02–1.13)

0.004

Emphysema index

1.04 (1.01–1.07)

0.010

  

Extent of surgery

 Segmentectomy & Wedge resection & Lobectomy

Reference

Reference

 Pneumonectomy & Bilobectomy

4.61 (1.65–12.8)

0.004

4.46 (1.54–12.9)

0.006

  1. ASA: American Society of Anesthesiologists; BMI: body mass index; CI: confidence interval; ILA: interstitial lung abnormality; OR: odds ratio; PPCs: postoperative pulmonary complications