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Table 9 Wald Statistic for PSFS

From: The effectiveness of ENAR®for the treatment of chronic neck pain in Australian adults: a preliminary single-blind, randomised controlled trial

Fixed term Wald statistic d.f. Wald/d.f. P
Time 23.20 4 5.80 <0.001
RxGroup 1.89 2 0.95 0.388
Time_RxGroup 34.25 8 4.28 <0.001*