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Table 2 Patient characteristics at inclusion (Nā€‰=ā€‰101)

From: The influence of study population and definition of improvement on the smallest detectable change and the minimal important change of the neck disability index

Mean age at inclusion (range) 42 (19-71)
Mean duration of complaints in months (range) 77 (2-480)
Mean NDI score at baseline (SD) 24.4 (6.2)
Radiating pain 54%
Headache 78%