Table 7

Wald statistic for NDI

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*

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