245
Participants
Start Date
October 31, 2006
Primary Completion Date
June 30, 2012
Study Completion Date
June 30, 2014
Decompression without fusion
Decompressive surgery of both central and lateral component of the stenosis.
Decompression with fusion
Decompressive surgery of both central and lateral component of the stenosis AND concomitant instrumented or uninstrumented posterior fusion of decompressed segments.
Uppsala University
OTHER