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Table 2 Data collection and outcome measures.

From: The NEtherlands Cervical Kinematics (NECK) Trial. Cost-effectiveness of anterior cervical discectomy with or without interbody fusion and arthroplasty in the treatment of cervical disc herniation; a double-blind randomised multicenter study

  Intake surgeon Intake research nurse Informed consent Surgery Follow-up 2 weeks Follow-up 4 weeks Follow-up 8 weeks Follow-up 12 weeks Follow-up 26 weeks Follow-up 52 weeks Follow-up 104 weeks Follow-up 156 weeks Follow-up 208 weeks Follow-up 260 weeks
Visit 1 2 3 4    5   6 7 8    9
Inclusion/exclusion criteria X              
Informed consent    X            
Treatment preference X X             
Expected recovery X X             
Demographics & diagnosis X X             
Basic physical examination X              
Neurological examination X X      X    X X X X X
Randomisation     X           
Dynamic X-ray X       X    X X X X X
MRI X           X    X
CT X           X    X
NDI   X    X X X X X X X X X X
McGill   X    X X X X X X X X X X
VAS arm and neck   X    X X X X X X X X X X
SF-36   X    X X X X X X X X X X
HADS   X      X   X X X X X X
Karasek   X    X X X X X X X X X X
Likert      X X X X X X X X X X
Macnab        X   X X X    X
EuroQol and VAS   X    X X X X X X X X X X
Cost diaries         X X X X X X X
Complications     X    X    X X X X X
Re-operation        X    X X X X X