Table 3.
Plasma level of CRP protein and stress intensity as measured by the PSS-10 questionnaire among total RA patients and by gender (n = 84)
| CRP [mg/L]a | Patients with RA | Women | Men |
|---|---|---|---|
| Low and medium stress levels | n = 38 | n = 27 | n = 11 |
| Mean | 8.8 | 9.5 | 7.1 |
| SD | 12.0 | 13.8 | 5.7 |
| Median | 6.1 | 5.9 | 7.2 |
| Minimum | 0.2 | 0.2 | 0.7 |
| Maximum | 56.0 | 56.2 | 16.0 |
| High stress levels | n = 46 | n = 36 | n = 10 |
| Mean | 10.0 | 7.3 | 19.4 |
| SD | 12.4 | 10.4 | 14.8 |
| Median | 5.3 | 3.7 | 15.2 |
| Minimum | 0.1 | 0.1 | 4.5 |
| Maximum | 52.5 | 52.5 | 49.6 |
| pb | 0.590 | 0.994 | 0.038 |
PSS-10 Perceived stress scale, SD Standard deviation
aC-reactive protein
bp for Mann–Whitney U test to assess the association between CRP protein levels and PSS-10