Table 2.

Movement assessment of knees^* of chondromalacia patella patients before and after prolotherapy.

WALKING ABILITY	BEFORE PROLOTHERAPY†	AFTER PROLOTHERAPY
No distance restriction for walking	24 (35.3%)	56 (82.3%)
Mild: > 3 blocks but not as far as desired	26 (38.2%)	11 (16.2%)
Moderate: 1–2 blocks	4 (5.9%)	1 (1.5%)
Severe: < 1 block	8 (11.8%)	0
Total disability: requires wheelchair or aid	6 (8.8%)	0
EXERCISE ABILITY	BEFORE PROLOTHERAPY‡	AFTER PROLOTHERAPY†
None: exercise ability not affected	6 (8.8%)	38 (55.9%)
Mild: no restrictions; can exercise >60 min, but not as long as desired	9 (13.2%)	23 (33.8%)
Moderate: can exercise 30–60 min maximum	17 (25.0%)	5 (7.3%)
Severe: can exercise 0–30 min maximum	18 (27.3%)	1 (1.5%)
Total disability	17 (25.0%)	1 (1.5%)

Notes:

^*N = 69,

^†1 non-responder,

^‡2 non-responders.