Table 4 Summary of medical records of incident patients in the strict definition of register-based incident RA in the Swedish National Patient Register
Total number of subjects | 82 |
|---|---|
Verified RA | 75(91%) |
Thereof incident | 69(92%) |
1987 ACR criteria and 2010 ACR/EULAR criteria | 60/69(87%) |
1987 criteria only | 6/69(87%) |
2010 ACR/EULAR criteria only | 1/69(1.4%) |
RA diagnosis not substained | 7(8.5%) |
Psoriatic arthritis | 3 |
Unspecified polyarthritis | 4 |