Table 3.

Distribution of the measured parameters of fHRP divided in groups regarding GA [Mean (STD)].

Group 1	Rest:	Active:
Mean HR	142.76 (5.10)	148.72 (7.36)
SDNN	7.48 (0.82)	18.77 (4.38)
RMSSD	3.23 (1.13)	13.15 (9.78)
Ratio SDNN/RMSSD	2.55 (0.82)	1.99 (1.26)
Perm. entropy	0.93 (0.03)	0.92 (0.03)
Group 2	1F:	2F:	4F:
Mean HR	136.34 (6.80)	141.02 (6.77)	156.92 (10.63)
SDNN	8.84 (1.22)	22.59 (3.93)	26.99 (10.39)
RMSSD	4.57 (1.44)	7.82 (3.57)	6.99 (2.04)
Ratio SDNN/RMSSD	2.10 (0.58)	3.33 (1.04)	4.06 (1.17)
Perm. Entropy	0.95 (0.02)	0.94 (0.02)	0.93 (0.03)
Group 3	1F:	2F:	4F:
Mean HR	134.21 (7.45)	137.83 (6.03)	150.82 (4.97)
SDNN	7.43 (1.57)	25.43 (4.87)	34.04 (10.83)
RMSSD	4.29 (1.14)	8.83 (3.46)	7.29 (4.55)
Ratio SDNN/RMSSD	1.84 (0.59)	3.28 (1.28)	5.41 (2.21)
PE	0.95 (0.02)	0.94 (0.02)	0.90 (0.03)