TABLE 2.

The Impact of the Intervention on Physical Performance Measures.

	Placebo (n = 59)	GSM (n = 59)	Pbetween-group difference1
30-s chair stand test (number)
Baseline	13.0 (11.0, 16.0)	14.0 (11.0, 16.0)	0.282
End point	14.0 (12.0, 17.0)	15.0 (13.0, 18.0)
%Change	9.09 (−7.69, 20.0)	11.0 (0.00, 27.3)
Stair-climb test (s)
Baseline	8.47 (7.25, 10.2)	7.92 (6.78, 9.84)	0.71
End point	8.44 (7.03, 9.60)	7.96 (6.72, 9.41)
%Change	−7.10 (−16.2, 9.73)	−1.54 (−10.7, 5.81)
40-m fast-paced walk test (m/s)
Baseline	1.69 (1.54, 1.93)	1.83 (1.62, 2.03)	0.09
End point	1.74 (1.50, 1.94)	1.81 (1.62, 2.02)
%Change	0.20 (−6.58, 4.92)	2.51 (−3.55, 8.12)

Abbreviation: GSM, GreenShell mussel.

¹Independent-sample t test.

²Mann–Whitney U test.