Table 8 Predictors of NREM dominance

PSG SF—SE

1.16 [CI: 0.72–1.86], 0.527

PSG SF—N1

1.72 [CI: 1.01–2.93], 0.046*

PSG SF—WASO

0.90 [CI: 0.61–1.34], 0.614

ECG SF

1.53 [CI: 1.04–2.25], 0.029*

PSG SC—SE

0.92 [CI: 0.58–1.50], 0.758

PSG SC—N1

0.91 [CI: 0.61–1.35], 0.643

PSG SC—WASO

0.81 [CI: 0.47–1.43], 0.483

ECG SC

0.44 [CI: 0.29–0.67], <0.001*

Central sleep apnea +

1.96 [CI: 0.78–4.91], 0.152

e-LFC_NB +

1.56 [CI: 1.07-2.29], 0.022