Skip to main content

Table 2 Data collection and outcome measures.

From: Cost-effectiveness of decompression according to Gill versus instrumented spondylodesis in the treatment of sciatica due to low grade spondylolytic spondylolisthesis: A prospective randomised controlled trial [NTR1300]

Time in weeks X 0 3 6 12 26 52 104 156 208 260
Preferred treatment of patient/surgeon/RN v           
Neurological examination v    v v v V v    v
Randomisation v           
Operation   v          
Perceived recovery according to patient (Likert) v   v v v v V v v v v
Perceived recovery according to surgeon/RN (Likert)     v v v V v    v
Macnab v    v v v V v    v
HADS v    v v v V v    v
Severity of complaints (VAS) v v v v v v V v v v v
Roland Disability Questionnaire v v v v v v V v v v v
Karasek v    v v v V v v v v
SF-36 v    v v v V v v v v
EuroQol v v v v v v V v v v v
Patient diary v   v v v v V v v v v
CPK   v          
X-ray v     v   V v    v
MRI v       V     
CT v     v   V     
(Re)-operation    v v v v V v v v v
Complications   v    v   V v    v
  1. X is randomisation and 0 is operation. On week 3, 156, and 208 (bold columns), questionnaires will be sent by mail