Table 1.
Database search: Ovid MEDLINE(R) <2000 to 2019>.
| # | Terms of search | Results from |
| 1 | hospital.mp. or Hospitals/ | 1,207,470 |
| 2 | adults.mp. or Adult/ | 5,419,771 |
| 3 | elderly.mp. or Aged/ | 3,267,949 |
| 4 | 2 or 3 | 6,748,451 |
| 5 | 1 and 4 | 536,311 |
| 6 | sensors.mp. | 45,294 |
| 7 | accelerometer.mp. | 1 |
| 8 | Monitoring, Ambulatory/ or gyroscope.mp. | 8,922 |
| 9 | wearable sensor.mp. or Wearable Electronic Devices/ | 4,660 |
| 10 | 6 or 7 or 8 or 9 | 55,211 |
| 11 | Randomized controlled trials.mp. or Randomized Controlled Trial/ | 705,304 |
| 12 | clinical trials.mp. or Clinical Trial/ | 853,142 |
| 13 | Clinical Trials as Topic/ or Randomized Controlled Trials as Topic/ | 338,349 |
| 14 | 11 or 12 or 13 | 1,291,990 |
| 15 | 5 and 10 | 513 |
| 16 | 14 and 15 | 108 |
| 17 | fall prevention.mp. | 2,391 |
| 18 | 16 and 17 | 1 |
| 19 | 1 and 15 and 17 | 7 |
| 20 | 16 and 17 | 1 |