Outcome measures of the 6 minute walk test: relationships with physiologic and computed tomography findings in patients with sarcoidosis

Table 5 Simple regression analysis: Relationship between DSP and quantitative variables

Outcome Variables	Independen Variables t	Unstandarized Coefficient		Standarized Coefficient Beta	t-value	p-value	R²
		B	S. Error
DSP	FEV₁, L	52.1	9.3	0.59	5.61	< 0.0001	0.352
	FVC, L	44.8	8.1	0.58	5.49	< 0.0001	0.342
	TLC, L	31.2	8.0	0.48	3.90	< 0.0001	0.233
	Final Borg score	-14.8	4.7	-0.45	-3.12	0.003	0.205
	PaO₂ mmHg	2.87	0.82	0.45	3.49	0.001	0.206

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