Table 3.

Comparison of the length of stay in hospital and the intensity of pain in surgically treated lung cancer patient groups of obese (I), overweight (II), and normal weight/underweight patients (III).

	I Obese patients (n = 50)	II Overweight patients (n = 30)	III Normal weight and underweight patients (n = 32)	p I vs II	p II vs III	p I vs III
Length of stay in hospital (days)	10.6 ± 10.3	11.0 ± 5.3	9.6 ± 3.9	ns	ns	ns
Intensity of pain, Day O	4.5 ± 1.2	3.7 ± 1.1	3.1 ± 1.1	<0.01	<0.05	<0.0001
Intensity of pain, Day D	3.9 ± 1.4	2.9 ± 0.9	2.4 ± 0.9	<0.001	<0.05	<0.0001