parametric tests were justified. All statistical analyses were conducted
with SPSS softwareb using a significance level of PZ.05.
Results
At baseline, demographic characteristics, VAS scores, and
WOMAC scores were comparable between groups (see table 1).
Patients in both groups were moderately to severely impaired
with respect to pain intensity and health status. All subjects
completed the postintervention and 6-month follow-up assessments.
On average, patients assigned to the posterolateral hip
exercise group attended 22.4 supervised exercise sessions,
whereas subjects assigned to the quadriceps exercise group
attended 22.1 supervised exercise sessions.