Table 2.

The relationship between walking distance at day 1 and clinical outcome

Variables		1	2	3	4	5	6	7	8
1	% DLco	1
2	Postoperative drainage (day)	− 0.128	1
3	Hospitalization (from operation to enter the hospital)	− 0.220*	0.477**	1
4	Operative time (min)	− 0.740	0.750	0.312**	1
5	Walk distance at preoperative (m)	0.410**	− 0.360	− 0.230*	0.680	1
6	Walk distance at postoperative (m)	0.334**		− 0.147	− 0.380	0.690**	1
7	Δ Walk distance (m)	− 0.660	0.430	0.560	− 0.133	− 0.326**	0.460**	1
8	Walking distance at Day 1 (m)	0.150	0.160	− 0.147	− 0.196*	0.224*	0.397**	0.244*	1

Bold values indicate p < 0.05

DLco diffusion capacity of lungs for carbon monoxide

**Significance probability < 1%. *Significance probability < 5%