Clinical and demographic description of the carrier and non-carrier patients with RA
| Carriers | 95% CI | Non-carriers | 95% CI | p Value | |
|---|---|---|---|---|---|
| 95% CI, confidence interval for the mean when α = 0.05. | |||||
| *The age at onset of RA was unavailable for one carrier patient, n = 17. | |||||
| The “Others” group had one Arab carrier patient, two non-carrier patients of mixed (Ashkenazi and non-Ashkenazi) origin and four non-carrier patients of undetermined Jewish ethnicity. For the entire ethnic distribution of carriers and non-carriers, p = 0.9. | |||||
| Number of patients (n) | 18 | 80 | |||
| Mean age at onset of RA (years) | 54.3* | 48.9 to 59.7 | 45.9 | 41.8 to 49.9 | 0.07 |
| Mean age at diagnosis (years) | 56.8 | 50.4 to 63.1 | 46.9 | 42.7 to 51.0 | 0.07 |
| RA duration (years) | 10.9* | 7.9 to 13.8 | 15.0 | 12.7 to 17.3 | 0.1 |
| Women, No (%) | 18 (100) | 56 (70) | 0.01 | ||
| Familial RA, No (%) | 2 (11) | 10 (13) | 1 | ||
| Ashkenazi patients, No (%) | 8 (44) | 37 (46) | 0.9 | ||
| Non-Ashkenazi-Jewish, No (%) | 9 (50) | 37 (46) | 1.0 | ||
| Others† | 1 (6) | 6 (8) | |||
| RF positive patients, No (%) | 17 (94) | 42 (53) | 0.001 | ||