Table 3.
Frequencies, positive predictive values (PPV) and Fisher's exact tests of definite, probable, and clinical RA by screening survey results within sample groups excluding those who reported prednisone only and other rheumatic conditions.
| Sample Group | Definite RA | Probable RA | Clinical RA | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Medical Information Received | PPV | PPV | Medical Information Received* | PPV | |||||||
| N | N | % | P-value | N | % | P-value | N | N | % | P-value | |
| DMARDs | |||||||||||
| + Screen | 9 | 8 | 89 | 0.37 | 8 | 89 | 0.63 | 12 | 11 | 92 | 1.00 |
| - Screen | 19 | 13 | 68 | 14 | 74 | 20 | 17 | 85 | |||
| NSAIDs | |||||||||||
| + Screen | 8 | 6 | 75 | 0.15 | 6 | 75 | 0.19 | 9 | 8 | 89 | 0.03 |
| - Screen | 10 | 3 | 30 | 4 | 40 | 13 | 5 | 38 | |||
| No Meds | |||||||||||
| + Screen | 2 | 1 | 50 | 1.00 | 1 | 50 | 1.00 | 3 | 1 | 33 | 1.00 |
| - Screen | 8 | 2 | 25 | 2 | 25 | 10 | 3 | 30 | |||
*
For Clinical RA, response to the modified physician checklist increased the number of subjects for whom medical information was received.