Table 3

Statistically significant risk factors for developing PPC

PPC group (n=34)Non-PPC group (n=200)p Value
Median (95% CI) age (years)71 (43 to 83)65 (31 to 80)0.005
BMI ≥30 kg/m236.4% (n=12)18.2% (n=34)0.001
Activity <400 m52.9% (n=18)26.8% (n=52)0.025
ASA ≥384.8% (n=28)51.5% (n=102)<0.001
Current smoking35.2% (n=12)11.9% (n=23)<0.001
COPD38.2% (n=13)11.9% (n=23)<0.001
Mean±SD %FEV172±1883±190.014
Mean±SD PPO FEV158±1766±190.048
  • 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.