Table 5

Wald statistic for VAS (Pain)

Fixed term
Wald statistic
d.f.
Wald/d.f.
P

Time
10.39
4
2.60
0.034
RxGroup
1.34
2
0.67
0.512
Time_RxGroup
20.07
8
2.51
0.010*

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