Table 1 Summary information of the individuals selected for the experimental design
Discordance type | Number of twin pairs | Females | Ever smokers | SE occurrence | Median age (years) at blood sampling (IQR) | Median CRP at blood sampling (IQR) |
|---|---|---|---|---|---|---|
ACPA-positive healthy | 5 | 80% | 30% | 60% | 63 (62–74) | 1.7 (1.2–4.2) |
ACPA-positive RA | 7 | 43% | 36% | 71% | 70 (68–72) | 3.7 (2.6–7.9) |