Table 1: The number of cases, their demographics and clinical features, and the calculated crude annualised rate (CAR) of incidence of the disease in the cohort studied.
| 2014 | 2015 | 2016 | ||
| No | 6 | 5 | 4 | |
| CAR | 11.63 | 9.69 | 7.75 | |
| F:M | 3:3 | 1:4 | 1:3 | |
| Mean age (±) | 46 (6.1) | 45.4 (17.5) | 51 (11.4) | |
| System: | RS | 6 | 5 | 3 |
| LN | 1 | 1 | 1 | |
| Eye | 1 | 1 | 1 | |
| Liver | ||||
| Joints | 2 | |||
| Skin | 1 | 1 | ||
| CNS | 1 | |||