Table 5.
Device Usability During Study
| STUDY TIME PERIOD | ||
|---|---|---|
| USABILITY OF DEVICE ELEMENTS | PREMODIFICATION MONTH, n (%) | OBSERVATION MONTHS, n (%) |
| Percentage of visits used videoconferencing | 23/23 (100) | 46/46 (100) |
| Videoconferencing IMAGE quality acceptable | 23/23 (100) | 46/46 (100) |
| Videoconferencing SOUND quality acceptable | 23/23 (100) | 45/46 (97.8) |
| Videoconferencing EASE OF USE acceptable | 23/23 (100) | 46/46 (100) |
| Percentage of visits used stethoscope | 18/23 (78.2) | 44/46 (98.0) |
| Visits able to complete the examination using the stethoscope | 18/18 (100) | 42/44 (95.4) |
| Stethoscope used for heart sounds | 12/18 (66.7) | 17/44 (38.6) |
| Stethoscope used for breath sounds | 18/18 (100) | 44/44 (100) |
| Stethoscope SOUND quality acceptable | 18/18 (100) | 43/44 (97.7) |
| Percentage of visits used thermometer | 19/23 (82.6) | 36/46 (78.0) |
| Thermometer readings believable | 19/19 (100) | 34/36 (94.4) |
| Percentage of visits used camera | 17/23 (73.9) | 24/46 (52.0) |
| Visits able to complete the examination using the camera | 16/17 (94.1) | 24/26 (92.3) |
| Camera used for skin assessment | 8/17 (47.0) | 3/24 (12.5) |
| Camera used for oropharyngeal examination | 9/17 (52.9) | 22/24 (91.7) |
| Camera used for other (WOB assessment) | 2/17 (11.8) | 0/24 (0) |
| Camera IMAGE quality: acceptable | 17/17 (100) | 24/26 (92.3) |
| Percentage of visits used otoscope | 13/23 (56.5) | 23/46 (50.0) |
| Visits able to complete the examination using the otoscope | 7/14 (50) | 16/25 (64.0) |
| Otoscope IMAGE quality acceptable | 13/14 (92.8) | 24/25 (96.0) |
WOB, work of breathing.