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Results of respiration rate estimation by location.
| Number | Loc up a | Loc down b | Difference |
| 1 | 17 | 17 | 0 |
| 2 | 18 | 19 | 1 |
| 3 | 15 | 15 | 0 |
| 4 | 16 | 17 | 1 |
| 5 | 16 | 15 | 1 |
| 6 | 16 | 16 | 0 |
| 7 | 18 | 18 | 0 |
| 8 | 17 | 17 | 0 |
| 9 | 18 | 18 | 0 |
| 10 | 17 | 17 | 0 |
aLocup: smartphone is located next to the left shoulder.
bLocdown: smartphone is located under the left foot.
