Table 5.

Analysis of Maximum Likelihood Estimates

Analysis of Maximum Likelihood Estimates from Phase II Regression Model

Independent Variable	Ambulatory Status	Beta	Standard Error	p value
Low lumbar/sacral level	wheelchair	0.6274	0.5719	0.2726
Low lumbar/sacral level	therapeutic	−4.3663	0.4619	<0.0001*
Low lumbar/sacral level	household	−3.9327	0.4338	<0.0001*
Mid-lumbar level	wheelchair	0.1135	0.4468	0.7995
Mid-lumbar level	therapeutic	−2.7653	0.3692	<0.0001*
Mid-lumbar level	household	−2.4098	0.4030	<0.0001*
No shunt	wheelchair	1.1375	0.8237	0.1673
No shunt	therapeutic	−1.3059	0.5439	0.0164*
No shunt	household	−0.9201	0.4616	0.0462*
No hip or knee contracture surgery	wheelchair	−0.6092	0.4191	0.1460
No hip or knee contracture surgery	therapeutic	−1.0187	0.3318	0.0021*
No hip or knee contracture surgery	household	−0.8595	0.3358	0.0105*

^*indicates significance at 0.05 level