254 Chapter 9 Table 2: Significant differences between clusters 5 & 6 Variable (>50% data available) Cluster 5 Cluster 6 Effect size Corrected p-value n5 Median (IQR) / Percentage n6 Median (IQR) / Percentage Presence – Sleep drunkenness† 157 96.2% 158 1.3% 0.950 <0.0001 Difficulty waking daytime sleep 93 On average easy to wake up: 36.6% On average difficult to wake up: 51.6% On average nearly impossible to wake up: 11.8% 65 On average easy to wake up: 78.5% On average difficult to wake up: 21.5% On average nearly impossible to wake up: 0.0% -0.427 <0.0001 Presence – Hypnagogic hallucinations 157 No: 72.0% Possible: 0.0% Probable: 5.1% Definite: 22.3% 158 No: 90.5% Possible: 0.6% Probable: 1.9% Definite: 7.0% -0.239 0.0007 PSG – AHI 123 1.1 (0.2-3.1) 109 2.8 (0.6-7.0) -0.239 0.0054 Weekend-week sleep length difference (hours) 155 1.0 (0.0-2.5) 158 0.1 (0.0-1.5) -0.191 0.0086 Presence – Sleep paralysis 157 No: 77.1% Possible: 0.6% Probable: 2.5% Definite: 19.7% 158 No: 89.9% Possible: 0.6% Probable: 5.1% Definite: 4.4% -0.185 0.0101 Subjective daily sleep length (hours) 157 8.0 (7.3-9.0) 158 7.8 (7.0-8.3) -0.182 0.0128 Subjective daytime sleep length (hours) 138 1.0 (0.3-2.0) 135 1.0 (0.0-1.0) -0.192 0.0134
RkJQdWJsaXNoZXIy MjY0ODMw