Testsa | Sensitivity | Specificity | Positive likelihood ratio | Negative likelihood ratio | Positive predictive value | Negative predictive value | Youden index |
---|---|---|---|---|---|---|---|
CTGF test in all participantsb | 0.82 | 0.91 | 5.74 | 0.12 | 0.85 | 0.90 | 0.73 |
CTGF test in ACPA-negative participantsc | 0.76 | 0.91 | 1.71 | 0.05 | 0.63 | 0.95 | 0.67 |
CTGF test in RF-negative participantsd | 0.79 | 0.91 | 2.46 | 0.06 | 0.71 | 0.94 | 0.70 |