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Predictive value of fear avoidance in developing chronic neck pain disability: consequences for clinical decision
Marc J Nederhand1, Maarten J Ijzerman, Hermie J Hermens
1Roessingh, Research & Development, Enschede, The Netherlands. m.nederhand@rrd.nl
Objective:
To improve clinical decision making in posttraumatic neck pain by investigating the additional value of fear-avoidance variables in predicting chronic neck pain disability.
Design:
An inception cohort with baseline assessment 1 week posttrauma and outcome assessment 24 weeks posttrauma. Predictive factors include pain intensity, Neck Disability Index (NDI), catastrophizing, fear of movement (Tampa Scale for Kinesiophobia [TSK]), and avoidance muscle behavior.
Setting:
Hospital emergency department of a general hospital.
Participants:
A consecutive sample of 90 people reporting of pain in neck or head region after a motor vehicle collision. Eighty-two subjects (91.1%) of the sample provided 24-week follow-up on the outcome.
Interventions:
Not applicable.
Main Outcome Measure:
The NDI assessing physical disability of subjects with neck pain.
Results:
By using a combination of the baseline NDI and TSK, it appears to be possible to predict chronic disability with a probability of 54.3% (95% confidence interval [CI], 35.2%-72.3%) after entering the NDI (cutoff, 15) as a first test, and with a probability of 83.3% (95% CI, 70.3%-91.3%) after entering the TSK (cutoff, 40) in a second test.
Conclusions:
A simple rating of baseline neck pain disability within a week of the trauma, separately or in combination with a test for fear of movement, can be used to predict future outcome. Patients showing fear of movement can be offered an intervention that focuses on reduction of this fear.