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Comparison of microchimerism prevalence in all MS-positive versus MS-negative subjects*
| MS pos | MS neg | Totals | |
| N (%) | N (%) | ||
| Microchimerism neg | 30 (0.63) | 18 (0.38) | 48 |
| Microchimerism pos | 21 (0.84) | 4 (0.16) | 25 |
| Totals | 51 | 22 | 73 |
p = 0.066 by Fisher's exact test (2-tailed).
