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. 2015 Sep 22;9(5):818–828. doi: 10.4184/asj.2015.9.5.818

Table 2. Randomized controlled studies compared clinical outcomes of surgical and conservative treatment for spinal stenosis (surgery: decompressive surgery only).

graphic file with name asj-9-818-i002.jpg

VAS, visual analogue scale; SF-36, short form 36.

a)Expressed as the number of patients treated with surgery/with conservative treatment; b)Mean follow-up period with years; c)Medical Outcomes Study SF-36 questionnaire.