Table 1.
Distribution of familial characteristics across the regions.
| Variable | Total n (%) | Western region | Central region | Eastern region | Southern region | Northern region | P valuea |
|---|---|---|---|---|---|---|---|
| Family history of MS (n = 2465b) | |||||||
| Yes | 315 (12.8) | 106 (10.8) | 136 (16.2) | 47 (13.1) | 14 (8.1) | 12 (11.2) | 0.009 |
| No | 2150 (87.2) | 878 (89.2) | 706 (83.8) | 313 (86.9) | 158 (91.9) | 95 (88.8) | |
| Parental consanguinity (n = 2259b) | 0.003 | ||||||
| Yes | 719 (31.8) | 199 (22.4) | 359 (43.8) | 68 (24.5) | 54 (32.1) | 39 (36.8) | |
| No | 1540 (68.2) | 690 (77.6) | 460 (56.2) | 209 (75.5) | 114 (67.9) | 67 (63.2) | |
| Siblings with MS (n = 2143b) | 0.068 | ||||||
| Yes | 134 (6.3) | 44 (5.0) | 59 (8.1) | 22 (7.7) | 7 (4.4) | 2 (2.0) | |
| No | 2009 (93.7) | 828 (95.0) | 667 (91.9) | 265 (92.3) | 152 (95.6) | 97 (98.0) |
aAdjusted P values (Alexander Copper method used).
bindicates the total number of patients who responded to the corresponding question.