| Symptoms | Norris+ 1983 Percent | Radanov+ 1991 Percent | Hildingsson 1990 Percent |
| Neck pain | 100 | 100 | 88 |
| Neck stiffness | 69 | ||
| Headache | 66 | 57 | 54 |
| Shoulder pain | 42 | 40 | |
| Arm pain/numb | 14 | ||
| Paresthesias | 62 | 13 | |
| Weakness | 18 | ||
| Dysphagia | 16 | ||
| Visual | 8 | 21 | 9 |
| Auditory | 18 | 4 | |
| Dizziness | 25 | 17 | 23 |
* Baseline in various studies:
Norris and Watt73 cannot be determined
Radanov et al 82 mean approximately 7 days, s.d. approximately 4 days
Hildingsson and Toolanen 39 less than 3 days
+ Secondary analysis