Table 2.

Sample mean and standard deviation of grip, knee, and hip strength by study visit in WHAS II.

	Grip Strength (kg)		Knee Strength (kg)		Hip Strength (kg)
	n	Mean (SD)	n	Mean (SD)	n	Mean (SD)
Baseline	306	23.5 (5.0)	302	21.8 (5.9)	302	18.7 (6.7)
Year 1.5	292	22.3 (4.6)	286	20.0 (5.5)	285	15.8 (5.8)
Year 3	295	18.5 (3.9)	284	19.1 (4.8)	283	12.9 (4.6)
Year 6	244	18.7 (4.6)	244	19.1 (5.0)	241	12.3 (4.3)
Year 7.5	204	17.4 (4.7)	229	16.7 (4.8)	231	12.9 (4.4)
Year 9	206	17.1 (4.9)	202	15.4 (4.8)	204	12.5 (4.4)
Year 10.5	122	17.7 (4.2)	123	15.6 (4.8)	-	-