Smoking | |||||
---|---|---|---|---|---|
Disease subset | Patients, n | Never smoked, n (%) | Ever smoked, n (%) | 95% CI | P value |
Anti-CarP (−)/ACPA (−)/RF (−) | 62 | 31 (50%) | 31 (50%) | −2.2–2.2 | ns |
Anti-CarP (+)/ACPA (+)/RF (+) | 82 | 32 (39%) | 50 (61%) | 19.7–24.7 | 0.0001 |
Anti-CarP (−)/ACPA (+)/RF (+) | 89 | 40 (45%) | 49 (55%) | 7.7–12.2 | 0.0001 |
Anti-CarP (+)/ACPA (−)/RF (−) | 26 | 14 (53.8%) | 12 (46.2%) | −4.2–0.2 | ns |
Anti-CarP (−)/ACPA (+)/RF (−) | 15 | 6 (40%) | 9 (60%) | 0.7–5.2 | 0.02 |
Anti-CarP (−)/ACPA (−)/RF (+) | 26 | 14 (53.8%) | 12 (46.2%) | −4.2–0.2 | ns |
Anti-CarP (+)/ACPA (+)/RF (−) | 4 | 2 (50%) | 2 (50%) | −2.2–2.2 | ns |
Anti-CarP (+)/ACPA (−)/RF (+) | 5 | 3 (60%) | 2 (40%) | −3.2–1.2 | ns |