Systemic activity variables and serum nitrite and nitrate concentrations in patients with RA and AS with or without systemic activity. Results are shown as mean (SD)
| RA | AS | |||||||
|---|---|---|---|---|---|---|---|---|
| Parameters | Active (n=25) | Inactive (n=10) | r | p | Active (n=24) | Inactive (n=8) | r | p |
| ESR (mm/1st h) | 55.08 (26.18) | 24.20 (6.42) | 38.86 (9.56) | 23.00 (2.83) | ||||
| CRP (mg/l) | 13.62 (3.62) | 3.60 (3.29) | 11.14 (3.98) | 3.06 (0.55) | ||||
| Nitrate (μmol/l) | 54.64 (21.77) | 36.31 (8.53) | 0.414 | <0.05 | 35.14 (3.89) | 24.70 (2.40) | 0.421 | <0.05 |
| Nitrite (μmol/l) | 6.46 (2.12) | 4.40 (0.76) | 0.408 | <0.05 | 5.22 (2.14) | 2.40 (0.28) | 0.412 | <0.05 |