Table 1.

Descriptive data for placebo and b240 groups before and after 12 weeks

	Placebo		b240
	0 week	12 weeks	0 week	12 weeks
n	30 (6 men, 24 women)		27 (7 men, 20 women)
Age (yr)	82.8 ± 9.4		80.3 ± 7.6
Height (cm)	145.9 ± 9.6		147.2 ± 8.8
Body mass (kg)	52.0 ± 12.3	51.1 ± 12.7*	52.9 ± 6.8	51.5 ± 6.8*
BMI (kg/m2)	24.2 ± 4.7	24.3 ± 4.9	23.6 ± 3.1	22.9 ± 2.9*
Fat mass (%)	37.0 ± 4.8	34.6 ± 6.2	37.6 ± 4.9	36.3 ± 4.7*
Muscle mass (%)	19.8 ± 1.6	21.0 ± 2.0	20.3 ± 2.6	20.8 ± 2.5*

Values are expressed as means ± SD. BMI: body mass index. *Values different from 0 week within group, p<0.05.