Table 3. The knee ROM results.

		Mean ± SD		Mean change	95% CI of difference (Lower, Upper)
		Baseline mean	Post-intervention mean
ROM of the more affected knee
	Flexion AROM	121.77° ± 10.07°	121.67° ± 11.40°	0.10°	(3.25, –3.05)
	Flexion PROM	126.59° ± 10.02°	126.71° ± 11.82°	–0.12°	(2.91, –3.15)
	Extension AROM	–2.54° ± 3.29°	–1.45° ± 4.12°	–1.09°	(0.26, –2.44)
	Extension PROM*	0.91° ± 2.71°	2.80° ± 3.27°	–1.89°	(–0.25, –3.54)
ROM of the less affected knee
	Flexion AROM	123.78° ± 8.55°	125.44° ± 9.43°	–1.65°	(1.06, –4.37)
	Flexion PROM	128.62° ± 7.62°	130.51° ± 8.91°	–1.88°	(1.08, –4.85)
	Extension AROM	–0.94° ± 2.97°	0.36° ± 3.48°	–1.30°	(0.28, –2.89)
	Extension PROM	2.32° ± 4.57°	4.13° ± 3.62°	–1.81°	(0.09, –3.72)

*Statistically significant at the p≤0.05 level of confidence. AROM: active range of motion; PROM: passive range of motion