Table 5 Examples of valid mappings identified by three approaches
From: Mapping of Alzheimer’s disease related data elements and the NIH Common Data Elements
Approach | Mapping resources | Data element 1 | Data element 2 | Similarity |
|---|---|---|---|---|
Bag-of-words | NACC \(\rightarrow\) ADNI | Form: Neuropathology | CRF NAME: NACC Neuropathology Data Form | 0.86 |
Short descriptor: Medial temporal lobe sclerosis present (including hippocampal sclerosis) | TEXT: Is medial temporal lobe sclerosis (including hippocampal sclerosis) present? | |||
Bag-of-words | NACC \(\rightarrow\) NIH CDE | Form: Unified Parkinson’s Disease Rating Scale (UPDRS) | Name: Movement Disorder Society - Unified Parkinson’s Disease Rating Scale (MDS UPDRS) - finger tap right hand score | 0.81 |
Short descriptor: Finger taps - right hand | Question Texts: FINGER TAPPING | |||
Bag-of-words | ADNI \(\rightarrow\) NIH CDE | CRF NAME: Geriatric Depression Scale | Name: Geriatric Depression Scale (GDS) - feel helpless indicator | 0.88 |
TEXT: 8. Do you often feel helpless? | Question Texts: Do you often feel helpless? | |||
Word2Vec | NACC \(\rightarrow\) ADNI | Form: Imaging | CRF NAME: Longitudinal FreeSurfer | 0.66 |
Short descriptor: Left fusiform mean cortical thickness (mm) | TEXT: Cortical Thickness Average of LeftFusiform | |||
Word2Vec | NACC \(\rightarrow\) NIH CDE | Form: Behavioral Assessment - Geriatric Depression Scale | Name: Geriatric Depression Scale (GDS) - people better off indicator | 0.78 |
Short descriptor: Do you think that most people are better off than you are? | Question Texts: Do you think that most people are better off than you are? | |||
Word2Vec | ADNI \(\rightarrow\) NIH CDE | CRF NAME: ECG | Name: ECG PR interval | 0.85 |
TEXT: PR Interval | Question Texts: PR interval | |||
BioWordVec | NACC \(\rightarrow\) ADNI | Form: Functional Assessment NACC Functional Assessment Scale | CRF NAME: Functional Assessment Questionnaire | 0.64 |
Short descriptor: In the past four weeks, did the subject have any difficulty or need help with: Remembering appointments, family occasions, holidays, medications | TEXT: 9. Remembering appointments, family occasions, holidays, medications. | |||
BioWordVec | NACC \(\rightarrow\) NIH CDE | Form: Subject Health History | Name: Surgical history pacemaker indicator | 0.63 |
Short descriptor: Pacemaker | Question Texts: Pacemaker | |||
BioWordVec | ADNI \(\rightarrow\) NIH CDE | CRF NAME: Mini Mental State Exam (MMSE) | Name: Mini-Mental State Examination (MMSE) - total score | 0.82 |
TEXT: MMSE TOTAL SCORE | Question Texts: MMSE total score |