Research Article
Risk Factors Associated with Multiple Sclerosis: A Case-Control Study in Damascus, Syria
Table 3
Detailed comparison of the result values for each risk factor between the two groups.
| | | 95% confidence interval | | Odds ratio value | Lower | Upper | value |
| Smoking | 2.275 | 1.348 | 3.841 | .002 | Family history of MS | 3.970 | 1.807 | 8.719 | <.001 | Migraine | 3.011 | 1.345 | 6.741 | .005 | Vitamin D deficiency | 4.778 | 2.863 | 7.972 | <.001 | Diabetes | .652 | .226 | 1.882 | 0.426 | High-blood pressure | 1.445 | .724 | 2.885 | .296 | Appendectomy | 1.269 | .486 | 3.317 | .626 | Tonsillectomy | 1.280 | .576 | 2.843 | .544 | First-born child | 0.933 | .558 | 1.562 | .793 |
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