|
Obtained patients' information
|
V1
|
V2
|
V3
|
V4
|
V5
|
V6a
|
V7
|
V8
|
V9
|
V10
|
|---|
|
In-patient
| |
x
| | | | | | | | |
|
Out-patient
|
x
| | | |
x
|
x
|
x
|
x
|
x
|
x
|
|
Demography & diagnosis
|
x
| | | | | | | | | |
|
Basic physical examination
|
x
| | | | | | | | | |
|
Neurological examination
|
x
| | | |
x
| |
x
|
x
|
x
|
x
|
|
Provide study information
|
x
| | | | | | | | | |
|
Obtain informed consent
|
x
| | | | | | | | | |
|
X-ray
| |
x
| | | | | |
x
| | |
|
Randomisation
| |
x
| | | | | | | | |
|
ZCQ
|
x
| |
x
|
x
|
x
|
x
|
x
|
x
|
x
|
x
|
|
MRDQ
|
x
| |
x
| |
x
|
x
|
x
|
x
|
x
|
x
|
|
Shuttle Walking Test
|
x
| | | |
x
|
x
|
x
|
x
|
x
|
x
|
|
SF-36
|
x
| | |
x
|
x
|
x
|
x
|
x
|
x
|
x
|
|
McGill Pain Questionnaire
|
x
| | | |
x
|
x
|
x
|
x
|
x
|
x
|
|
VAS for legs and back
|
x
| |
x
|
x
|
x
|
x
|
x
|
x
|
x
|
x
|
|
Perceived Recovery
| | | | |
x
|
x
|
x
|
x
|
x
|
x
|
|
Patient Global Impression of change
| | | | |
x
|
x
|
x
|
x
|
x
|
x
|
|
EuroQol & VAS Quality of Life
|
x
| |
x
|
x
|
x
|
x
|
x
|
x
|
x
|
x
|
|
Patient diary
| | | | |
x
|
x
|
x
|
x
|
x
|
x
|
|
Review MRI
|
x
| | | | | | | | | |
|
Complications
| |
x
|
x
|
x
|
x
| |
x
|
x
|
x
|
x
|
|
Re-operation
| | | | |
x
|
x
|
x
|
x
|
x
|
x
|
- A, questionnaires will be sent per mail with request to complete and return them; V1, Visit 1 - Intake; V2; Visit 2 - surgery; V3, Visit 3 - Follow-up 2 weeks; V4, Visit 4 - Follow-up 4 weeks, V5, Visit 5 - Follow-up 8 weeks; V6, Visit 6 - Follow-up 3 months; V7, Visit 7: Follow-up 6 months; V8, Visit 8 - Follow-up 12 months; V9, Visit 9 - Follow-up 24 months; V10, Visit 10 - Follow-up 60 months
