Table 4

 Effect of surgery on symptoms (lateral transmuscular approach (LTM) versus combined interlaminar/paraisthmic approach (CIP))

SymptomsTotal preopResolvedImprovedUnchangedNew
Preop, preoperative.
Low back painLTM146 (43%)8 (57%)00
CIP63 (50%)3 (50%)06 (21%)
Radicular painLTM1914 (74%)5 (26%)00
CIP2815 (54%)9 (32%)4 (14%)0
Motor deficitLTM125 (42%)7 (58%)00
CIP153 (20%)9 (60%)3 (20%)0
Sensory deficitLTM164 (25%)11 (69%)1 (6%)0
CIP195 (26%)9 (47%)5 (26%)0