Table 2.

patient's baseline characteristics

Variable	Experimental group n = 21		Control group n = 22
Female/Male	15/6		17/5
	Mean	sd
age	70	(8.5)	67	(7)
active ROM extension (degrees)	8°	(6°)	8°	(5°)
passive ROM extension (degrees)	5°	(5°)	5°	(5°)
active ROM flexion (degrees)	106°	(19°)	102°	(20°)
passive ROM flexion (degrees)	110°	(19°)	114°	(15°)
functional status WOMAC	44	(16.7)	40	(16.6)
WOMAC subscale pain	9.2	(2.7)	8.3	(3.5)
WOMAC subscale stiffness	3.7	(1.1)	3.3	(1.4)
WOMAC subscale difficulty	31.1	(9.3)	28.2	(11.8)
functional status KSS knee	49	(18)	43	(21)
KSS function	53	(18)	52	(21)
Pain (11 point scale)	3,7	(2,8)	3,5	(3,3)