Results
neurological deficit, infection, pain
ADVERSE EVENTS, INFLAMMATION, INFECTION
A total of 30 patients (15 patients in each group) were enrolled in this study. No significant differences were found in the demographic data, as shown in Table 
Demographic VariablesIndependent t test, Fisher’s Exact test, and Chi-square testAccording previous studies [
LegVAS, BackVAS, and ODI
















The change in LegVAS (
Treatment failureChi-square testNo adverse events such as local inflammation, infection, and neurological deficit occurred in either group. Two patients in triamcinolone group needed later operation due to persistent pain at 6 weeks follow-up. There was no statistical difference in treatment failure between the two groups (Table 