Table 2.

Partial responders (>50% improvement in either NRS or WOMAC).

N = 21	3 months	6 months
>50% improvement in NRS	13 (62%)	17 (81%)
>50% improvement in WOMAC	12 (57%)	14 (67%)

NRS numeric rating scale, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index.