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Table 2 RAPID3 scores compared to DAS28-ESR across 4 disease categories in 150 patients

From: Evaluating patient reported outcomes in routine practice of patients with rheumatoid arthritis treated with biological disease modifying anti rheumatic drugs (b-DMARDs)

DAS28-ESR RAPID3 scores
High severity Moderate severity Low severity Near Remission Total
High activity 20 (91)a 2 (9) 0 (0) 0 (0) 22 (15)
Moderate activity 30 (60) 17 (34)a 3 (6) 0 (0) 50 (33)
Low activity 13 (42) 11 (35) 3 (10)a 4 (13) 31 (21)
Remission 11 (23) 12 (26) 15 (32) 9 (19)a 47 (31)
Total 74 (49) 42 (28) 21 (14) 13 (9) 150
  1. Cohen’s unweighted kappa’s (K) for total, individual observers and RAPID3 method (paper or electronic); Ktotal = 0.13, Kobs1 n=90 = 0.17, Kobs2 n=31 = 0.10
  2. Kobs3 n=29 = 0.11, Kelectr = 0.08, Kpaper = 0.20
  3. aThe agreement boxes for Cohen’s unweighted kappa across 4 categories. All percentages are row percentages, except total in rightmost column (column percentages)