Many journals require outcome data at 2 years post-operative for the assessment of operative procedures in spinal surgery. This study seeks to clarify the timescale of improvement after surgery to see if a shorter period of assessment will indicate the final outcome. Outcome data for 185 consecutive patients who underwent spinal surgery was analysed. All were given a global outcome assessment questionnaire (as used in the Swedish Spinal Fusion study) at 6 months, 1 year and 2 years following surgery. Results were analysed according to the type of spinal surgery undertaken.Introduction
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