TABLE IV. JSON Format Parameter Data for Spirometry Mode.
| Parameter | Data Type | Unit | Description |
|---|---|---|---|
| value | object | Parameters of the measurement results | |
| FVC | float | L | Forced vital capacity |
| FEV1 | float | L | First expiratory volume in 1st second |
| PEF | float | L/s | Peak expiratory flow |
| ratio | int | Ratio of FEV1/FVC | |
| TimeSeries Length | int | Timeseries graph array length | |
| XYLength | int | Graph XY array length | |
| graph | object | Array of measurement result curve | |
| timeseries | array | L | Volume vs. time curve during expiration |
| XY | array | [L,L/s] | Flow to volume curve |