4. Correlation between pulmonary function parameters and EORTC QLQ-C30 pre-chemotherapy and post-chemotherapy.

Variables	Pre-chemotherapy									Post-chemotherapy
	MVV			DLCO			DLCO%			MVV			DLCO			DLCO%
	R	P		R	P		R	P		R	P		R	P		R	P
EORTC QLQ-C30, European Organization for Research and Treatment of Cancer Quality of Life Questionnaire C30; MVV, maximal voluntary ventilation; DLCO, carbon monoxide diffusing capacity; DLCO%, percentage of the DLCO predicted value.
Physical functioning	−0.092	0.640		−0.172	0.382		−0.332	0.084		−0.052	0.809		−0.016	0.940		0.258	0.224
Dyspnea	0.111	0.574		0.277	0.153		0.215	0.272		0.231	0.278		0.238	0.262		−0.119	0.579
Fatigue	0.129	0.514		−0.117	0.555		−0.186	0.344		−0.139	0.526		0.047	0.831		−0.139	0.528
Global health status	−0.182	0.355		−0.044	0.825		−0.297	0.125		0.093	0.672		0.103	0.639		0.138	0.530