| Pain course pattern |  |  |  |  | ||
---|---|---|---|---|---|---|---|
 | Improved-recovered | Improved- stayed so | Improved-fluctuated | Unchanged-improved | Unchanged-fluctuated | Other patterns or missing | p-value |
Gender (%) | Â | Â | Â | Â | Â | Â | < 0.01 |
Males | 28 | 46 | 3 | 10 | 5 | 8 | Â |
Females | 3 | 33 | 15 | 21 | 10 | 18 | Â |
Age (median [IQR]) | 36 [33-43] | 36 [31-51] | 49 [34-56] | 47 [41-53] | 49 [42-59] | 30 [46-54] | 0.02 |
Duration (%) | Â | Â | Â | Â | Â | Â | 0.8 |
1 - 7 days | 17 | 40 | 6 | 17 | 6 | 14 | Â |
- 3 months | 15 | 46 | 12 | 12 | 8 | 7 | Â |
> 3 months | 13 | 27 | 13 | 20 | 13 | 13 | Â |
Leg pain | Â | Â | Â | Â | Â | Â | 0.1 |
Yes | 3 | 43 | 10 | 23 | 10 | 11 | Â |
No | 24 | 37 | 10 | 12 | 7 | 7 | Â |
Diagnostic class (%) | Â | Â | Â | Â | Â | Â | 0.05 |
   Disc | 5 | 32 | 23 | 14 | 14 | 12 |  |
   SI-joint | 21 | 43 | 7 | 7 | 7 | 15 |  |
   Dysfunction | 20 | 48 | 0 | 28 | 4 | 0 |  |
   Muscle | 33 | 17 | 17 | 0 | 17 | 16 |  |
   Other* | 9 | 45 | 0 | 9 | 0 | 36 |  |