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Results of respiration rate estimation by smartphone.
| Number | Smartphone 1a | Smartphone 2b | Difference |
| 1 | 18 | 18 | 0 |
| 2 | 17 | 18 | 1 |
| 3 | 18 | 18 | 0 |
| 4 | 18 | 19 | 1 |
| 5 | 17 | 17 | 0 |
| 6 | 17 | 17 | 0 |
| 7 | 18 | 18 | 0 |
| 8 | 18 | 18 | 0 |
| 9 | 18 | 18 | 0 |
| 10 | 19 | 19 | 0 |
aSmartphone 1: Samsung Galaxy S8.
bSmartphone 2: Samsung Galaxy S7.
