Table 1.

Evaluation index according Rasmussen scoring system.

Rasmussen scoring systema	Score	Group I (n = 14)	Group II (n = 14)
Pain
• No pain	6	10	8
• Occasional pain, bad weather pain	5	3	2
• Throbbing pain in certain position	4	1	2
• Constant pain after activity	2	0	2
• Pain at rest	0	0	0
Walking capacity
• Normal	6	11	10
• Can walk outdoor for at least 1 h	4	3	2
• Can walk outdoor for 15 min	2	0	2
• Can walk indoor only	1	0	0
• Wheelchair bound/bedridden	0	0	0
Extension lag
• Normal	6	13	10
• 0°–10°	4	1	3
• >10°	2	0	1
Range of motion
• ≥140°	6	13	10
• ≥120°	5	1	2
• ≥90°	4	0	2
• ≥60°	2	0	0
• ≥30°	1	0	0
• 0°	0	0	0
Stability
• Normal in extension and 20° flexion	6	13	10
• Instability in 20° flexion	5	1	2
• Instability in 10° extension	4	0	1
• Instability in >10° extension	2	0	1

^aScores of 28–36 indicate excellent, 20–27 good, 10–20 fair, and 6–10 poor.