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Cross-tabulation of brain MRI classification at 1st Brain MRI (1993-1995) vs. 2nd Brain MRI (2004-2006).
| 1st Brain MRI | |||||
|---|---|---|---|---|---|
| No lacune or WMH | Lacune or WMH | Lacune and WMH | Total (%) | ||
| 2nd Brain MRI | No lacune or WMH | 303 | 32 | 0 | 335 (36.9) |
| Lacune or WMH | 309 | 205 | 7 | 521 (57.5) | |
| Lacune and WMH | 17 | 30 | 4 | 51 (5.6) | |
| Total (%) | 629 (69.4) | 267 (29.4) | 11 (1.2) | 907 (100) | |
