Table 9

Wald Statistic for PSFS

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*

Vitiello et al. Chiropractic & Osteopathy 2007 15:9   doi:10.1186/1746-1340-15-9