The CESI group had lower median ODI scores after one week and one month, although this difference did not reach statistical significance (P = 0.334).
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Comparative Evaluation of Caudal Epidural Method to Ultrasound-Guided S1 Transforamen Block in Patient's Lumbar Discectomy with Failed Back Syndrome Symptoms: A Double-Blind Clinical Trial.
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0.3340
0.3340