Table 1: Basic statistics of age, height, and body weight in the G1 and G2 groups and the test results.

G1G2
MSDMAXMINMSDMAXMIN

Age (yr)76.04.8856677.84.087671.630.11
Height (cm)148.84.6159.0140.0146.65.5156.0134.41.720.09
Body weight (kg)49.57.964.932.553.16.263.939.01.840.07

Note. M: mean value, SD: standard deviation, MAX: maximal value, MIN: minimum value, and : -value.
G1: mild unilateral knee pain group ( = 47); G2: severe unilateral knee pain group ( = 28).