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Table 7 Wald statistic for NDI

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 14.50 4 3.63 0.006
RxGroup 5.23 2 2.62 0.073
Time_RxGroup 17.93 8 2.24 0.022*