RA
Predictive value
Positive
Negative
N (%)
N (%)
RF
Positive
123(46.24%)
13(9.71%)
90.44%
1
Negative
143(53.76%)
121(90.29%)
45.83%
2
1
Positive predictive value.
2
Negative predictive value.
Sensitivity=46.24%
Specificity=90.29%
Table 4:
Relative distribution of RF results in studied patients according to RA diagnosis.
