Table 2: Sex, average age (range) of patients with gout, chondrocalcinosis and apatite rheumatism.
| Clinical diagnosis | Number of patients | Average age in years at biopsy | Range (in years) |
| Gout | 47 | 52.59 | 85-36 |
| Female | 6 | 57.67 | 62-51 |
| Male | 41 | 52.17 | 85-36 |
| Chondrocalcinosis | 16 | 61.86 | 81-39 |
| Female | 15 | 61.00 | 81-39 |
| Male | 1 | 73.00 | - |
| Apatite rheumatism | 4 | 71.33 | 79-66 |
| Female | 3 | 74.00 | 79-69 |
| Male | 1 | 66.00 | - |