Table 2 Mapping result of the bag-of-words approach
From: Mapping of Alzheimer’s disease related data elements and the NIH Common Data Elements
Mapping resources | Valid mappings (Percentage) | Invalid mappings (Percentage) | Total mappings |
|---|---|---|---|
NACC \(\rightarrow\) ADNI | 77 (49.36%) | 79 (50.64%) | 156 |
NACC \(\rightarrow\) NIH CDE | 73 (32.02%) | 155 (67.98%) | 228 |
ADNI \(\rightarrow\) NIH CDE | 90 (23.56%) | 292 (76.44%) | 382 |