Table 1.

Observed length of sustained remission in months (± standard error, SE) for 25%, 50%, and 75% of patients in each category (log-rank test p > 0.1).

Edmonton Categories25.0% of Patients50.0% of Patients75.0% of Patients
EstimateSEEstimateSEEstimateSE
Persistent oligoarthritis19.90.14418.70.45910.91.254
Extended oligoarthritis27.55.425.06.62815.04.654
Polyarthritis35.011.726.713.2898.34.743
Seronegative SpA19.33.25617.62.44813.40.669
Overall24.72.38318.70.56912.70.999
  • SpA: spondyloarthropathies.