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Frequency of use of ibuprofen
| Frequency of use | Placebo | Baclofen | Metaxalone | Tizanidine |
|---|---|---|---|---|
| Never | 0 (0%) | 1 (1%) | 1 (1%) | 3 (4%) |
| Only once | 4 (5%) | 1 (1%) | 2 (3%) | 6 (8%) |
| Sometimes | 15 (21%) | 8 (11%) | 10 (14%) | 7 (10%) |
| Daily | 16 (22%) | 15 (21%) | 16 (22%) | 15 (21%) |
| >=Twice/ daily | 38 (52%) | 48 (66%) | 45 (61%) | 42 (58%) |
| Missing | 7 | 7 | 6 | 7 |
