Table 4.

Results of the cardiopulmonary exercise testing (CPET) in the study population (n = 25) in total as well as divided in groups based on the MRC score (0-1, 2, 3-4).

				MRC
	Total			0-1			2			3-4
	N	Mean	SD	N	Mean	SD	N	Mean	SD	N	Mean	SD
VO2 peak (ml/min)	25	1233.28	437.61	10	1391.80	305.87	8	1307.75	573.62	7	921.71	281.54
VO2 peak (%)	24	73.38	19.11	9	83.89	15.02	8	70.00	20.71	7	63.71	17.56
VO2 peak/kg (ml/kg/min)	25	15.46	3.90	10	18.38	2.68	8	14.49	3.24	7	12.41	3.40
AT (ml/kg/min)	21	11.57	3.48	10	12.97	2.68	5	11.36	2.95	6	9.42	4.36
Oxygen pulse (ml/beat)	25	9.19	2.83	10	10.16	2.31	8	9.51	3.36	7	7.44	2.35
Oxygen pulse (%)	24	78.17	22.62	9	92.22	23.69	8	70.25	14.27	7	69.14	22.36
SPO2 peak	25	87.72	5.68	10	93.00	3.62	8	84.00	3.30	7	84.43	4.39
VE peak (L/min)	25	54.20	17.52	10	56.20	15.82	8	54.50	19.26	7	51.00	20.03
VE peak (%)	24	78.08	19.72	9	75.89	17.07	8	72.50	15.43	7	87.29	26.01
BR peak %	25	27.32	21.18	10	36.00	17.96	8	25.75	22.18	7	16.71	21.82
VE/VCO2	25	40.00	13.52	10	29.00	6.32	8	43.13	12.03	7	52.14	10.75
HR reserve	25	19.20	17.99	10	20.20	22.11	8	19.00	17.17	7	18.00	14.62
HR recovery	25	14.48	8.30	10	19.39	5.76	8	13.25	10.48	7	8.86	4.34
VE/VCO2 at AT	21	41.00	10.46	10	35.10	3.84	5	39.20	7.66	6	52.33	11.71
VT/IC	25	0.81	0.14	10	0.82	0.15	8	0.82	0.07	7	0.80	0.21
Borg scale at peak exercise	25	4.84	2.30	10	3.00	1.83	8	6.75	1.17	7	5.29	1.98

All values are shown as mean ± standard deviation (SD)

VO₂ peak oxygen uptake at peak exercise, AT anaerobic threshold, SPO₂ oxygen saturation, VE peak minute ventilation at peak exercise, VE/VCO₂ slope: slope of relationship between VE and VCO₂, HR Heart rate, VT tidal volume, IC Inspiratory capacity