Summary of Background Data.The current literature reports success rates of 18% to 90% for lumbosacral steroid injections, depending on methodology, outcome measures, patient selection, and technique.

• 背景概述：目前的文献报导表明立足于方法学、疗效测定、患者选择于技术，腰骶椎甾体注射的成功率波动在18%25到90%25。