Table 4

ORs and CIs for independent risk factors

OR95% CI
Age ≥75 years3.91.5 to 10.4
ASA ≥33.91.3 to 11.5
Current smoking7.42.6 to 21.3
BMI ≥30 kg/m22.91.1 to 7.7
COPD2.91.1 to 7.6
  • ASA, American Society of Anesthesiologists; BMI, body mass index; COPD, chronic obstructive pulmonary disease; FEV1, forced expiratory volume in 1 s; PPC, postoperative pulmonary complications; PPO, predicted postoperative.