Table 2

Univariable and multivariable logistic regression analysis for factors related to PPCs in study patients (n=300)

CharacteristicsUnivariableMultivariable
OR (95% CI)P valueOR (95% CI)P value
Sex, male5.50 (0.73 to 41.41)0.0989.83 (0.81 to 119.02)0.073
Age, year1.06 (1.01 to 1.12)0.0251.12 (1.04 to 1.20)0.004
BMI, kg/m2 0.96 (0.86 to 1.07)0.4270.98 (0.84 to 1.14)0.781
Smoking history
 Never smokerReferenceReference
 Former or current smoker1.03 (0.40 to 2.60)0.9590.38 (0.10 to 1.50)0.166
Presence of ILA or IPF(<0.001)(<0.001)
 ControlReferenceReference
 ILA8.56 (2.80 to 29.1)<0.0019.56 (2.85 to 32.10)<0.001
 IPF39.0 (14.7 to 124)<0.00156.50 (17.92 to 178.14)<0.001
Extent of surgery
 Segmentectomy or wedge resectionReferenceReference
 Lobectomy2.37 (0.81 to 10.1)0.1674.46 (1.11 to 17.90)0.035
  • BMI, body mass index; ILA, interstitial lung abnormalities; IPF, idiopathic pulmonary fibrosis; PPCs, postoperative pulmonary complications.