Table 4.

Within- and between-group comparisons of physical function tests (mean±standard deviation)

Test	Group						Pb
	D-supplement			Control
	Initial	Final	P	Initial	Final	Pa
Strength leg press (%)	124.9±26.6	149.6±32.2	<0.001*	129.4±28.3	144.8±32	<0.001*	0.034*
Ergo jump (%)	68.9±14.4	69.4±15.9	0.787	73±16	70.2±21.4	0.368	0.367
Vertical jump (%)	78.8±17	77.7±12.6	0.883	85.1±15.3	79.5±13.2	0.158	0.199
Agility (%)	47.3±35.3	44.4±29.4	0.838	57.3±31.7	40.5±32.1	0.256	0.586
Speed (%)	55.1±26.2	62.5±23.6	0.030*	59.6±19.5	63.1±20.6	0.163	0.345

^aWithin-group comparison. ^bBetween-group comparison of changes of the variables. *Significant difference