Polynomial best fit for the apnoea vairiables which showed a time trend increase across the night
| Apnoea duration | Change in cardiac frequency | Duration of arousal | ||||
| F-test | p-value | F-test | p-value | F-test | p-value | |
| Linear Fit | 32.2 | 0.0001 | 7.98 | 0.008 | 5.49 | 0.02 |
| Quadratic Fit | 1.54 | 0.22 | 0.66 | 0.42 | 1.93 | 0.17 |
| Position-time interaction | ns | ns | ns | |||
| Best fit | Quadratic | Quadratic | Quadratic | |||
A nonsignificant result of the F-test indicates that the corresponding polynomial is a good fit for the data
ns: nonsignificant