Table 3: Mean differences in ejection fraction evolution, functional capacity before and after the program according to/depending on the risk group.

Variable (Low risk) N = 66		Mean ± SD^a	Mean difference ± SD^b		CI 95%	P
LVEF (%)	LVEF1	60.32 ± 5.68	Δ LVEF	1.83 ± 5.99	0.36-3.30	0.01^*
	LVEF2	62.15 ± 6.20
FC (METs)	FC1	9.87 ± 1.97	Δ FC	1.80 ± 2.18	1.26-2.34	0.00*
	FC2	11.67 ± 2.03
ET (min)	ET1	7.50 ± 1.58	Δ ET	1.20 ± 1.54	0.82-1.58	0.00^*
	ET2	8.70 ± 1.67
Variable (Moderate risk) N = 32		Mean ± SD^a	Mean difference ± SD^b		CI 95%	P
LVEF (%)	LVEF1	45.19 ± 7.45	Δ LVEF	7.31 ± 8.07	4.40-10.22	0.00^*
	LVEF2	52.50 ± 9.50
FC (METs)	FC1	9.06 ± 2.31	Δ FC	2.28 ± 2.55	1.35- 3.19	0.00^*
	FC2	11.33 ± 2.60
ET (min)	ET1	6.89 ± 1.76	Δ ET	1.73 ± 1.74	1.10-2.36	0.00^*
	ET2	8.62 ± 1.91
Variable (High risk) N = 12		Mean ± SD^a	Mean difference ± SD^b		CI 95%	P
LVEF (%)	LVEF1	44.25 ± 15.68	Δ LVEF	4.25 ± 5.61	0.68-7.81	0.03^**
	LVEF2	48.50 ± 12.96
FC (METs)	FC1	7.93 ± 2.56	Δ FC	2.47 ± 1.40	1.55-3.33	0.00^*
	FC2	10.37 ± 2.90
ET (min)	ET1	6.13 ± 2.23	Δ ET	1.81 ± 0.98	1.18-2.43	0.00^*
	ET2	7.93 ± 2.17

Abbreviations:

Δ: variation; FC: Functional Capacity; LVEF: Left Ventricle Ejection Fraction; Min.: Minutes; ET: Exercise time.

1: before CRP; 2: after CRP.

^*paired Student T-test; ^**paired Wilcoxon T-test.

^aData are presented as mean ± standard deviation.

^bData are presented as mean difference ± standard deviation.