Table 2.
Pain location by group
| Pain Location (percent) | Controls | Cases |
|---|---|---|
| Back | 34.8 | 35.4 |
| Shoulder | 9.1 | 3.5 |
| Knee | 5.1 | 6.3 |
| Arm | 4.6 | 1.8 |
| Leg | 18.3 | 15.3 |
| Mixed | 28.1 | 37.7 |
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