Table 3. Clinical and sleep related correlations with catathrenia Period number and duration.
| Catathrenia periods (r) | CP length (r) | |
|---|---|---|
| BMI | -0.240 | 0.094 |
| TST (min) | -0.220 | -0.213 |
| NREM (%) of TST | -0.397* | 0.358* |
| REM (%) of TST | -0.245 | -0.404 |
| AHI (events/h) | -0.101 | 0.710# |
| PLMI (events/h) | -0.173 | 0.572# |
| 4% ODI (events/h) | -0.274 | 0.353* |
| SE (%) | 0.213 | -0.121 |
| Arousal index (events/h) | 0.023 | -0.234 |
| Mean SpO2% | 0.196 | -0.356 |
| ESS | 0.160 | 0.159 |
Data presented as Pearson’s or Spearman’s correlation coefficient. BMI: Body Mass Index. TST: total sleep time, NREM: non-REM sleep, REM: rapid eye movement sleep, AHI: apnea-hypopnea index, PLMI: periodic limb movement index, ODI: oxyhemoglobin desaturation index, SE: sleep efficiency, SpO2: peripheral oxygen saturation, ESS: Epworth Sleepiness Scale score.
* p<0.05 #: p<0.001