Table 4 Percentage distribution of the defined course patterns in 78 patients with LBP [n (%)]
| Â | Â | Â | 5th to 18th week | Â | Â | Â |
|---|---|---|---|---|---|---|
At the 4th week | Mainly recovered | stays in the initial category | moves - towards mainly improved | Fluctuating | moves - towards mainly worse | total |
Improved | 11 (14%) | 31 (40%) | NA | 7 (9%) | 0 | 49 (63%) |
Unchanged | 3 (4%) | 2 (3%) | 6 (8%) | 12 (15%) | 0 | 23 (30%) |
Worsened | 0 | 1 (1%) | 0 | 4 (5%) | NA | 5 (6%) |
(missing) | 1 (1%) | 0 | 0 | 0 | NA | 1 (1%) |
| Â | 15 (19%) | 34 (44%) | 6 (8%) | 23 (29%) | 0 | 78 (100%) |