Diagnosis Frequency S06.0 82% S06.2 3% S06.3 3% S06.4, S06.5, S06.6 11% S06.8 1% Symptoms at admission                             Neck pain 32% Headache 61% Clinical findings   CNS injury 2% PNS injury 2% Radiology (intracranial injury)   Positive CT scan 21% Positive MRI given negative CT scan 6% Radiology (cervical spine)          Positive X-ray or MRI 11%

Table 2: Frequency of ICD 10 diagnosis, symptoms from the head and neck and associated radiological findings as well as clinical signs from the peripheral (PNS) or central nervous system (CNS) (N=270).