Table 2.
Number of data clips scored for tremor and bradykinesia used in the supervised machine learning models
| Score | No. Clips with Tremor Score (%) | No. Clips with Bradykinesia Score (%) | ||
|---|---|---|---|---|
| BioStampRC | Watch | BioStampRC | Watch | |
| 0 | 12,143 (73.8%) | 10,485 (73.1%) | 5487 (45.0%) | 4845 (44.8%) |
| > 0 | 4302 (26.2%) | 3854 (26.9%) | 6697 (55.0%) | 5979 (55.2%) |
| 1 | 2684 (16.3%) | 2346 (16.4%) | 4764 (39.1%) | 4213 (38.9%) |
| 2 | 1274 (7.7%) | 1233 (8.6%) | 1835 (15.1%) | 1676 (15.5%) |
| 3 | 344 (2.0%) | 275 (1.9%) | 98 (0.8%) | 90 (0.8%) |
| 4 | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) |
| Total | 16,445 | 14,339 | 12,184 | 10,824 |
Number of 5-s clips for tremor and bradykinesia symptoms, by score and device type. Fewer clips are available with bradykinesia scores because not all tasks involved enough movement for the clinician to assess bradykinesia