Table 2.

Descriptive statistics by inflammatory status for the treatment group only. Variable patient numbers for each category reflect variable numbers of patients for which data were available at each timepoint.

NoninflammatoryInflammatoryTotalp
Baseline WOMAC pain score, mean (SD)10.2 (3.2) n = 1811.5 (3.2) n = 1610.8 (3.2) n = 340.25
4-week WOMAC pain score, mean (SD)7.7 (4.3) n = 1810.0 (3.3) n = 168.8 (4.0) n = 340.09
12-week WOMAC pain score, mean (SD)8.3 (3.7) n = 1411.1 (3.9) n = 169.8 (4.0) n = 300.06
  • WOMAC: Western Ontario and McMaster Universities index.