Diagnoses differentiated for patients’ sex
| Diagnosis | N | Men | Women |
| CPPD only | 131 | 30 (22.9%) | 101 (77.1%) |
| Seronegative RA only | 103 | 27 (26.2%) | 76 (73.8%) |
| Seropositive RA only | 147 | 43 (29.3%) | 104 (70.7%) |
| CPPD+RA | 53 | 10 (18.9%) | 43 (81.1%) |
| CPPD+seronegative RA | 44 | 9 (20.5%) | 35 (79.6%) |
| CPPD+seropositive RA | 9 | 1 (11.1%) | 8 (88.9%) |
| Gout only | 28 | 20 (71.4%) | 8 (28.6%) |
| PMR only | 28 | 16 (57.1%) | 12 (42.9%) |
CPPD, calcium pyrophosphate deposition disease; PMR, polymyalgia rheumatica; RA, rheumatoid arthritis.