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Summary of number of health outcome measures directly and indirectly related to the COS for clinical trials in non-specific low back pain
| COS | Directly related outcomes | Indirectly related outcomes |
|---|---|---|
| Pain intensity | 6 | 3 |
| Physical functioning | 8 | 0 |
| Health-related quality of life | 0 | 33 |
| Number of deaths | 0 | 0 |
| Totals (%) | 14 (28%) | 36 (72%) |
