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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*