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Table 1 Frequencies (%) of multiple joint osteoarthritis (MJOA) in the Johnston County OA Project cohort

From: Joint hypermobility is not positively associated with prevalent multiple joint osteoarthritis: a cross-sectional study of older adults

Definition(n = 1677)a Frequency, n (%)
rOA sxOA
MJOA-1: > 1 IP node and > 2 other sites (hip, knee, spine) 648 (39) 433 (26)
MJOA-2: > 2 IP, > 1 CMC, and knee or hip 363 (22) 225 (13)
MJOA-3: > 5 sites (DIP, PIP, CMC, hip, knee, spine) 693 (41) 426 (25)
MJOA-4: > 2 lower body joint sites (hip, knee, spine) 831 (49) 499 (30)
  1. rOA Radiographic osteoarthritis, sxOA Symptomatic osteoarthritis, IP Interphalangeal joint, CMC Carpometacarpal joint, DIP Distal interphalangeal joint, PIP Proximal interphalangeal joint
  2. aone participant could meet more than one definition