Mann-Whitney tests: cases v non-cases, clinical variables
| Variable | Non-cases (n=46) median (range) | Cases (n=27) median (range) | P value |
|---|---|---|---|
| Age | 52 (42-61) | 49 (40-50) | 0.31 |
| Conditions requiring admission to hospital in the past | 2 (1-3) | 2 (1-3) | 0.35 |
| No of doctors consulted with neck problem | 3 (2-3) | 3 (3-4) | 0.14 |
| No of other treatments tried | 1 (0-3) | 2 (1-4) | 0.035 |
| No of atypical symptoms | 0 (0-1) | 2 (0-3) | 0.007 |
Values are median (interquartile range).