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. 2021 Sep 28;54(3):744–752. doi: 10.4143/crt.2021.772

Table 3.

Multivariable regression analysis of risk factors for overall and major PPC

Variable Overall PPCs Major PPCs


OR (95% CI) p-value OR (95% CI) p-value
Age 0.97 (0.86–1.09) 0.567 1.09 (0.9–1.33) 0.391

Male sex 1.31 (0.33–5.29) 0.7 15.49 (1.19–200.97) 0.036

Current or former smoking 1.9 (0.45–8) 0.384 0.69 (0.07–6.38) 0.74

ASA ≥ 3 2.53 (1.03–6.2) 0.043 0.62 (0.15–2.55) 0.503

Serum albumin (g/dL) 0.56 (0.18–1.76) 0.321 0.62 (0.12–3.14) 0.567

Percentage predicted DL CO 0.99 (0.97–1.01) 0.29 0.98 (0.95–1.01) 0.218

ILA

 No ILA Reference

 Nonfibrotic ILA 1.37 (0.55–3.38) 0.5 0.34 (0.06–1.99) 0.23

 Fibrotic ILA 4.84 (1.35–17.38) 0.016 8.72 (1.71–44.38) 0.009

 Emphysema 1.13 (0.43–3) 0.805 0.43 (0.09–1.99) 0.278

 Nonadenocarcinoma 1.3 (0.54–3.13) 0.552 4.13 (0.92–18.59) 0.064

 ≥ Lobectomy 10.39 (2.77–39.04) 0.001 9.66 (1.01–92.42) 0.049

ASA, American Society of Anesthesiologists; CI, confidence interval; DLCO, diffusing capacity of the lung for carbon monoxide; ILA, interstitial lung abnormality; OR, odds ratio; PPCs, postoperative pulmonary complications.