Statistics for A Comparative study of the effectiveness of lumbar steroid injection in kambin s triangle versus conventional transforaminal approach for the treatment of lumbar radicular pain: A prospective randomised study; [Lomber radikuler agri tedavisinde kambin ucgeni yaklasimi ile uygulanan steroid enjeksiyonunun etkinliginin konvansiyonel transforaminal yaklasimla karsilastirilmasi: prospektif randomize calisma]