Table 1.

Subject demographics and PFT results

	Sex	Age	FEV1/ FVC	FEV1 %Pred	DLCO %Pred	DLCO/Va %Pred	6MW
H1	F	52*	91	111	91	93	587
H2	F	61	74	106	82	77	487
H3	F	60	83	93	93	114	442
H4	F	62*	79	99	77	78	450
C1	F	66	59	62	60	75	424
C2	F	56	69	63	85	96	425
C3	M	64	57	80	77	76	495
C4	M	58	24	25	44	49	225

^*Bold means upper limit for measurements in each group (healthy or COPD group); Bold⁺underline means lower limit for measurement in each group