Research Article
Evaluation of Month of Birth in Neuromyelitis Optica Spectrum Disorders (NMSOD) and Multiple Sclerosis (MS)
Table 2
Comparison of numbers of monthly births among study groups.
| Month | MS vs. control | NMOSD vs. control | MS vs. NMOSD | OR (95% CI) | | OR (95% CI) | | OR (95% CI) | |
| March-April | 1.613 (1.324-1.964) | <0.001 | 1.712 (1.136-2.582) | 0.010 | 1.062 (0.713-1.581) | 0.769 | April-May | 1.162 (0.924-1.460) | 0.199 | 1.082 (0.641-1.828) | 0.767 | 0.932 (0.556-1.562) | 0.789 | May-June | 1.228 (0.986-1.530) | 0.066 | 0.958 (0.561-1.637) | 0.876 | 0.780 (0.460-1.323) | 0.356 | June-July | 0.909 (0.732-1.129) | 0.389 | 1.154 (0.723-1.841) | 0.549 | 1.269 (0.797-2.020) | 0.315 | July-August | 1.253 (1.00-1.571) | 0.050 | 1.228 (0.744-2.026) | 0.423 | 0.979 (0.599-1.602) | 0.934 | August-September | 1.266 (1.067-1.502) | 0.007 | 1.318 (0.905-1.921) | 0.150 | 1.041 (0.719-1.507) | 0.831 | September-October | 0.470 (0.374-0.591) | <0.001 | 0.309 (0.150-0.636) | 0.001 | 0.658 (0.317-1.363) | 0.260 | October-November | 0.694 (0.522-0.921) | 0.012 | 0.534 (0.246-1.163) | 0.114 | 0.770 (0.353-1.681) | 0.512 | November-December | 0.812 (0.637-1.035) | 0.093 | 1.181 (0.716-1.948) | 0.516 | 1.453 (0.881-2.397) | 0.143 | December-January | 0.731 (0.576-0.927) | 0.010 | 0.592 (0.316-1.109) | 0.101 | 0.809 (0.431-1.519) | 0.510 | January-February | 1.045 (0.812-1.345) | 0.734 | 1.285 (0.757-2.180) | 0.353 | 1.230 (0.729-2.073) | 0.438 | February-March | 0.872 (0.692-1.098) | 0.245 | 0.857 (0.495-1.485) | 0.582 | 0.983 (0.568-1.700) | 0.950 |
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