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Table 2 Classification based on organ involvement pattern

From: Clinical patterns and the evolution of relapsing polychondritis based on organ involvement: a Chinese retrospective cohort study

  Organ involvement At disease onset During follow-up
Ear Airway Limited Systemic Limited Systemic
Subgroup A  +  35 (27.8) 29 (23.0) 25 (19.8) 37 (29.4)
Subgroup B  +  31 (24.6) 18 (14.3) 26 (20.6) 22 (17.5)
Subgroup C  +   +  0 (0) 6 (4.8) 0 (0) 13 (10.3)
Subgroup D 0 (0) 7 (5.6) 0 (0) 3 (2.4)
  1. Data are presented as n (%)