RA
Predictive value
Positive N (%)
Negative N (%)
Anti-CP
Positive
188(70.67%)
20(14.93%)
90.38%
1
Negative
78(29.33%)
114(85.07%)
59.37%
2
1
Positive predictive value.
2
Negative predictive value.
Sensitivity=70.67%
Specificity=85.07%
Table 3:
Relative distribution of anti-CCP results in studied patients according to RA diagnosis.