Description of characteristics | Mean(±SD) or frequency |
---|---|
Total number of patients | 80 |
Age (mean ± SD years) | 58 (±13) |
Male (%) | 32 (40%) |
Education, (%) | |
Primary | 39 (49%) |
Lower secondary | 27 (34%) |
Upper secondary | 12 (15%) |
Graduate | 1 (1%) |
None | 1 (1%) |
Number of previous surgical interventions, n (%) | |
1 | 23 (33%) |
2 | 31 (44%) |
3 | 13 (19%) |
4 | 3 (4%) |
Information not available | 10 |
Age (mean ± SD years) at pain onset | 48 (±14) |
Time (mean ± SD years) between pain onset and recruitment | 11 (±9) |