Table 1 Patients and controls for protein arrays and ELISA
Number | Age at diagnosis | Disease duration | Anti-CCP-positive | RF-positive | |
|---|---|---|---|---|---|
(years) | (years) | (%) | (%) | ||
RA <1 year | 144 | 54 | 0.8 | 70 | 68 |
RA >5 years | 59 | 48 | 11 | 87 | 75 |
AS | 88 | 34 | 10 | 1 | nd |
PsA | 30 | 41 | 6 | 3 | nd |
SLE | 21 | 37 | 8 | 5 | nd |
SSC | 20 | 51 | 0.5 | 5 | nd |
Healthy | 50 | nd | nd | 0 | nd |