From: Prevalence, sensitivity and specificity of antibodies against carbamylated proteins in a monocentric cohort of patients with rheumatoid arthritis and other autoimmune rheumatic diseases
Sensitivity (95% CI)
Specificity (95% CI)
LR
PPV
NPV
Anti-CarP
46.8 (41.50–52.54)
91.95 (82.25–94.77)
4.581
88%
60%
ACPA
61.8 (56.14–67.25)
89.93 (85.94–93.10)
6.14
85%
62%
RF
64.4 (58.78–69.74)
76.51 (71.28–81.21)
2.742
80%
69%