Skip to main content

Table 4 Multinomial logistic regression between sleep stage and sound (dBC)

From: Sound level intensity severely disrupts sleep in ventilated ICU patients throughout a 24-h period: a preliminary 24-h study of sleep stages and associated sound levels

  Night (22h00–08h00) Day (08h00–22h00)
OR (95% CI) OR (95% CI)
Awakenings 1.0 (–) 1.0 (–)
N1 0.93 (0.93–0.94)*** 0.97 (0.96–0.97)***
N2 0.95 (0.94–0.96)*** 0.97 (0.96–0.97)***
N3 1.01 (1.00–1.02) 1.00 (0.99–1.01)
REM 0.91 (0.88–0.91)*** 0.96 (0.95–0.97)***
  1. OR (95% CI) odds ratio and 95% confidence interval
  2. p < 0.05; *** p < 0.001