Table 5. Correlations for change in GPi (N=13).

	Change in ODI	PSI
Change in GPi	0.682*	−0.618*
Change in ODI	–	−0.679*
PSI	–	–

*, correlation is significant at the 0.05 level (2-tailed). GPi, Gait Posture index; PSI, Patient Satisfaction Index.