. 2022 Sep 12;11(18):5345. doi: 10.3390/jcm11185345

Table 2.

CPET parameters at before and after rehabilitation in different groups.

	Overall					$\leq$ 55 year					>55 year
	Before		After		Before vs. After p (t Test)	Before		After		Before vs. After p (t Test)	Before		After		Before vs. After p (t Test)
	Mean	SD	Mean	SD	Before vs. After p (t Test)	Mean	SD	Mean	SD	Before vs. After p (t Test)	Mean	SD	Mean	SD	Before vs. After p (t Test)
Resting State (RS) ^a
HR (cpm)	78.52	11.88	76.18	10.70	0.06	78.54	11.98	77.83	11.51	0.65	78.49	11.88	73.90	9.13	0.01 *
VO₂ (mL/min/kg)	4.33	1.18	4.25	1.28	0.57	4.20	0.95	4.12	1.10	0.63	4.52	1.43	4.42	1.50	0.73
VE (mL/min/kg)	13.22	4.44	13.11	4.53	0.84	13.43	4.71	13.50	4.86	0.91	12.92	4.06	12.56	4.02	0.68
RER	0.81	0.07	0.82	0.08	0.11	0.80	0.06	0.82	0.07	0.07	0.82	0.07	0.83	0.09	0.63
Anaerobic Threshold (AT) ^b
HR (cpm)	104.03	15.55	105.81	14.04	0.21	105.19	14.76	108.19	14.38	0.10	102.44	16.65	102.51	13.03	0.97
VO₂ (mL/min/kg)	11.16	2.91	12.85	3.17	0.00 **	11.58	2.64	13.54	3.25	0.00 **	10.58	3.19	11.90	2.81	0.00 **
VE (mL/min/kg)	28.87	7.26	32.42	8.50	0.00 **	30.59	7.46	34.02	8.51	0.01 *	26.49	6.33	30.21	8.07	0.00 **
RER	0.93	0.06	0.95	0.05	0.00 **	0.94	0.05	0.95	0.04	0.02 *	0.92	0.06	0.94	0.05	0.00 **
Slope
VE/VCO₂	29.94	5.18	29.69	5.42	0.58	28.36	3.33	28.17	3.69	0.61	32.12	6.40	31.80	6.65	0.56
OUES	1426.75	346.30	1547.19	403.49	0.00 **	1531.19	265.11	1706.60	363.39	0.00 **	1282.14	394.15	1326.47	351.94	0.22

* p < 0.05; ** p < 0.01; when comparing. ^a at the beginning of the whole test with rest state. ^b in the process of the whole test reaching the critical value of AT. SD standard deviation, cpm counts per minutes, HR heart rates, VO₂ oxygen uptake, RER respiratory exchange ratio, VE ventilation, VE/VCO₂ VE–VCO₂ slope, OUES oxygen uptake efficiency slope.