Table 4.
Association between number of baseline ACPA reactivities and van der Heijde modified Sharp scores (erosion, joint space narrowing and total) and association between number of baseline ACPA reactivities and baseline erosive disease
| Number of ACPA reactivities | |||||
|---|---|---|---|---|---|
| 0 n = 27 |
1–5 n = 39 |
6–8 n = 37 |
≥ 9 n = 114 |
p
value |
|
| vdHSS erosiona | 3.0 [1.0, 5.8] | 3.0 [1.5, 4.0] | 3.0 [2.0, 4.0] | 3.0 [1.0, 4.5] | 0.87 |
| vdHSS joint space narrowinga | 1.5 [0.0, 4.8] | 0.5 [0.0, 2.0] | 0.5 [0.0, 3.0] | 1.0 [0.0, 3.8] | 0.54 |
| vdHSS totala | 3.0 [1.5, 11.2] | 3.5 [1.5, 6.0] | 4.5 [2.5, 7.0] | 4.2 [1.5, 9.0] | 0.83 |
| Erosive diseaseb | 15 (56) | 21 (54) | 21 (57) | 60 (53) | 0.97 |
Abbreviations: ACPA Anti-citrullinated protein antibody, vdHSS van der Heijde modified Sharp score
aMedian [25,75 percentile]
bNumber (percentage)