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Table 1 Timing of measurements

From: The effectiveness and cost-evaluation of manual therapy and physical therapy in patients with sub-acute and chronic non specific neck pain. Rationale and design of a Randomized Controlled Trial (RCT)

measurements Baseline T0 T3 T7 T13 T26 T39 T52
In- and exclusion X       
Demographic data X       
GPE   X X X X   X
NDI-DV X X X X X   X
NRS pain X X X X X   X
SF-36 X   X     X
Side effect   X X X    
EuroQol5D   X X X X X X
Costs   X X X X X X
  1. GPE = Global Perceived Effect (7-points scale); NDI-DV = Dutch version Neck Disability Index; NRS = Numeric Rating Scale for pain; SF36 = short form -36 quality of life questionnaire