Table 3

Correlation between global health status at 6 months and baseline lung function, EORTC QLQ-C30 core questionnaire, and lung cancer module

Lung function measure	ρ	Core questionnaire	ρ	Lung cancer module	ρ
FEV₁, forced expiratory volume in 1 second; Tlco, carbon monoxide transfer factor, Vo₂, oxygen consumption; ppo, predicted postoperative.
*Correlation significant at 0.05 level (two tailed).
**Correlation significant at 0.01 level (two tailed).
Shuttle test (m)	0.15	Global health	0.26*	Dyspnoea	−0.29**
Vo₂ max (%)	0.09	Physical function	0.30**	Coughing	0.01
FEV₁ (%)	0.10	Role function	0.21	Haemoptysis	−0.04
Tlco (%)	0.22	Emotional function	0.21	Sore mouth	−0.18
ppo FEV₁ (%)	0.01	Cognitive function	0.37**	Dysphagia	−0.26*
ppo Tlco (%)	0.15	Social function	0.18	Peripheral neuropathy	−0.09
		Fatigue	−0.28*	Alopecia	0.03
		Pain	−0.27*	Chest pain	−0.14
		Dyspnoea	−0.19	Arm/shoulder pain	−0.13
		Insomnia	−0.14	Other pain	−0.21
		Appetite loss	−0.09
		Constipation	−0.02
		Diarrhoea	−0.22*
		Financial difficulty	−0.07