Categories of case reports
| N/(%) | A | B | C | D | E | F | G | H | J | K |
|---|---|---|---|---|---|---|---|---|---|---|
| Rheumatology | 28 (16) | 31 (18) | 11 (6) | 17 (10) | 8 (5) | 5 (3) | 16 (9) | 36 (21) | 0 (0) | 22 (13) |
| J Rheum | 28 (13) | 41 (19) | 16 (8) | 19 (9) | 13 (6) | 3 (1) | 27 (13) | 32 (15) | 0 (0) | 32 (15) |
| CER | 24 (18) | 25 (19) | 15 (12) | 9 (7) | 1 (1) | 0 (0) | 12 (9) | 25 (19) | 0 (0) | 18 (14) |
| Rheum. Int | 1 (0) | 67 (15) | 121 (27) | 89 (20) | 55 (12) | 5 (1) | 31 (7) | 50 (11) | 0 (0) | 22 (5) |
| Arth & Rheum | 2 (17) | 4 (33) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 5 (42) | 0 (0) | 1 (8) |
| J Clin Rheum | 3 (1) | 85 (22) | 75 (19) | 29 (7) | 64 (16) | 13 (3) | 45 (12) | 42 (11) | 3 (1) | 29 (7) |
| Total | 86 (11) | 253 (21) | 238 (12) | 163 (9) | 141 (7) | 26 (1) | 131 (8) | 190 (20) | 3 (0) | 124 (10) |
A: Totally original condition/new disease; B: Rare and previously sparsely reported condition; C: Unusual presentation of a common disease; D: Unexpected association bw 2 uncommon symptoms/signs; E: Impact of one disease process on another; F: Unexpected event in the course of treating a patient; G: Unexpected complication of treatment or procedure; H: New and unique treatment; J: Confession of how things went wrong; K: Drug–drug interaction.