Table 2.
Outcomes | WA1 | WA2 | WA3 | WA4 | WA5 | WA1-5 | PGAP |
---|---|---|---|---|---|---|---|
Number | 53 | 53 | 53 | 53 | 53 | 53 | 53 |
Median | 5 | 6 | 2 | 4 | 4 | 4.4 | 6 |
Mean | 2.74 | 3.98 | 4.02 | 4.48 | |||
SD | 1.28 | 1.19 | 2.50 | 1.88 | 2.16 | 1.17 | 1.15 |
WA1 to WA5 = Items 1 to 5 of WOMAC (Western Ontario and McMaster Universities Osteoarthritis Index) pain subscore on a 11-point rating numeric scale (0-10); WA1-5: WOMAC pain subscore normalized on a 11-point rating numeric scale (0-10); PGAP = Patient’s Global Assessment of Pain on a 11-point rating numeric scale (0-10).