Table 1.

Demographic and clinical features of the patients. Values are n (%) unless otherwise specified.

VariablesValues
Female35 (47.3)
Male39 (52.7)
Age, yrs, mean (range)57 (13–86)
Indications
  Undifferentiated chronic monoarthritis40 (54.1)
  Acute monoarthritis18 (24.0)
  Chronic undifferentiated oligoarthritis7 (9.3)
  Chronic polyarthritis6 (8.0)
  Chronic bursitis1 (1.3)
  Chronic tenosynovitis1 (1.3)
  Acute polyarthritis1 (1.3)