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. 2017 Aug 11;9(4):370–377. doi: 10.1177/1947603517723072

Table 2.

Efficacy Outcome Measures at Baseline.

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).