. 2023 Aug 3;15(15):3444. doi: 10.3390/nu15153444

Table 2.

Variables of the circulatory system (M ± SD) along with the significance of differences in the studied age groups before and after the 8 days of water-only fasting.

Variables	Age	Fasting			Age		Fasting		Age vs. Fasting
Variables	Age	Before	After	Together; Before–After	F	p	F	p	F	p
DBP-Rest (mmHg)	Younger	87.50 ± 8.80	80.00 ± 6.32	83.75 ± 7.56	2.243	>0.05	6.751	<0.05	0.468	>0.05
	Elder	79.38 ± 10.50	75.00 ± 9.64	77.19 ± 10.07
	Together	82.86 ± 9.65	77.14 ± 7.96	^{before–after = :0.027}
DBP-Exercise (mm/Hg)	Younger	76.67 ± 10.80	75.83 ± 10.21	76.25 ± 10.50	0.0621	>0.05	0.0120	>0.05	0,3190	>0.05
	Elder	74.36 ± 10.16	75.36 ± 8.63	75.00 ± 9.39
	Together	75.36 ± 10.32	75.71 ± 9.64
SBP-Rest (mmHg)	Younger	130.00 ± 8.37	118.33 ± 10.33	124.17 ± 9.35	3.474	>0.05	22.374	<0.001	0.077	>0.05
	Elder	120.62 ± 14.25	107.50 ± 15.34 ^b	114.06 ± 14.79
	Together	124.64 ± 12.63	112.14 ± 11.39 ^{b = 0.0192}	^{before–after = 0.0004}
SBP-Exercise (mmHg0)	Younger	192.50 ± 28.42	166.67 ± 22.73	179.58 ± 25.57	0.0503	>0.05	6.179	<0.05	0.847	>0.05
	Elder	180.00 ± 14.39	168.12 ± 15.34	174.06 ± 14.86
	Together	185.36 ± 21.52	167.50 ± 18.05	^{before–after = :0.035}
HR-Rest (bpm)	Younger	63.17 ± 8.40	71.17 ± 14.63	67.17 ± 11.51	0.0669	>0.05	5.1732	<0.05	0.1530	>0.05
	Elder	65.75 ± 9.74	71.50 ± 13.15	68.83 ± 11.44
	Together	64.64 ± 8.94	71.34 ± 13.25	^before ^{–after = 0.036}
HR-Exercise (bpm)	Younger	158.00 ± 23.55	158.17 ± 19.67	158.33 ± 21.61	0.758	>0.05	0.168	>0.05	0.375	>0.05
	Elder	167.13 ± 12.02	163.75 ± 9.66	165.44 ± 10.84
	Together	163.21 ± 17.69	161.57 ± 14.35

M—arithmetic means; DBP—diastolic blood pressure; SBP—systolic blood pressure; HR—heart rate; ^b—before 8 days of water-only fasting vs. after 8 days of water-only fasting (group younger).