Table 4:

Association of BMI and complications after major lung resection

Complication	BMI category	OR	95% CI	P-value
Pulmonary	Underweight	2.48	1.26–4.88	0.0087
	Normal	1.00	–	–
	Overweight	0.84	0.55–1.29	0.42
	Obese	1.14	0.65–1.98	0.65
	Very obese	0.75	0.36–1.57	0.44
Cardiovascular	Underweight	1.45	0.72–2.95	0.30
	Normal	1.00	–	–
	Overweight	0.72	0.49–1.05	0.085
	Obese	0.83	0.50–1.39	0.49
	Very obese	0.75	0.40–1.41	0.37
Other	Underweight	1.21	0.61–2.39	0.59
	Normal	1.00	–	–
	Overweight	0.91	0.64–1.30	0.62
	Obese	0.76	0.45–1.27	0.30
	Very obese	0.65	0.35–1.22	0.18
Mortality	Underweight	2.96	1.28–6.86	0.011
	Normal	1.00	–	–
	Overweight	0.45	0.23–0.89	0.022
	Obese	1.11	0.50–2.44	0.80
	Very obese	0.71	0.23–2.14	0.55
Overall	Underweight	1.60	0.90–2.86	0.11
	Normal	1.00	–	–
	Overweight	0.89	0.67–1.20	0.45
	Obese	0.97	0.65–1.44	0.87
	Very obese	0.64	0.39–1.05	0.077