Table 1

Individual and mean values of the main general and functional variables obtained in chronic obstructive pulmonary disease patients

Patient	Age	BMI	FEV₁	FEV₁/FVC	RV/TLC	D _L,CO	P _a,O₂	V _O₂,max			Handgrip
No.	yrs	kg·m⁻²	% pred	%	%	% ref	mmHg	% ref	% pred	% pred	% pred
1	53	28	60	62	50	78	83	89	90	77	61
2	74	24	59	59	53	70	76	ND	131	144	97
3	52	20	74	59	49	94	89	69	95	83	56
4	78	22	50	53	68	56	91	33	64	52	73
5	40	20	62	59	ND	ND	95	40	89	85	81
6	63	21	50	49	51	55	92	50	62	57	51
7	67	22	49	55	63	61	84	74	68	58	87
8	71	30	22	47	69	67	74	53	88	78	112
9	58	20	35	50	67	38	65	33	25	ND	65
10	69	23	49	60	69	73	77	68	87	ND	87
Mean	63	23	51	55	60	66	83	57	80	79	77
±sd	12	3	15	5	9	16	10	20	28	29	19

BMI: body mass index
FEV₁: forced expiratory volume in one second
FEV₁/FVC: ratio of FEV₁ to forced vital capacity
RV/TLC: ratio of residual volume to total lung capacity
D_L,CO: corbon monoxide diffusion capacity or the lung
P_a,O₂; V_O₂,max: maximal oxygen consumption
P_I,max: maximal inspiratory mouth pressure
P_E,max: maximal expiratory mouth pressure