Fig. 3. Change in main outcome measures in follow-up periods (mean scores were given for NRS and SF-12, while numbers of patients with neuropathic pain were shown for LANSS). CESI: caudal epidural steroid injection, GIB: ganglion impar block, NRS: numeric rating scale, LANSS: Leeds Assessment of Neuropathic Symptoms and Signs Scale, SF-12: Short Form-12 Health Survey.
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