Table 1

Patient characteristics diagnostic accuracy study

Patients with gout (n=43)Patients without gout (n=48)
Age, mean (SD), years62.1 (13.2)58.7 (13.7)
Sex
 Male34 (79)19 (40)
 Female9 (21)29 (60)
Index joint
 MCP/PIP3 (7)4 (8)
 Wrist2 (5)2 (4)
 Elbow1 (2)0 (0)
 MTP26 (60)18 (38)
 Mid-foot/ankle9 (21)9 (19)
 Knee2 (5)15 (31)
Symptom duration (week)NA
 ≤629 (67)
 >614 (33)
Prior history of gout15 (35)NA
Serum UA, mean (SD), mg/dL8.0 (2.0)NA
Referral diagnosis
Gout40 (93)2 (4)
 DJD21 (44)
 RA12 (25)
 Septic joint1 (2)
 CTD1 (2)
 CPPD1 (2)3 (6)
 Unknown2 (5)7 (15)
  • Except where stated otherwise, values are the number (%) of patients.

  • CPPD, calcium pyrophosphate deposition disease; CTD, connective tissue disease; DJD, degenerative joint disease; MCP, metacarpophalangeal joint; MTP, metatarsophalangeal joint; n, number; PIP, proximal interphalangeal joint; RA, rheumatoid arthritis; UA, uric acid.