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Depression index and non-specific physical symptoms in rheumatoid arthritis (RA) patients
| Normal | Moderate | Severe | |
|---|---|---|---|
| Depression index | <1.550 | 1.550–2.137 | > 2.137 |
| Non-specific physical symptoms (pain included) | <1.580 | 1.580–2.145 | > 2.145 |
| Non-specific physical symptoms (pain excluded) | <1.500 | 1.500–2.000 | > 2.000 |
