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Table 2 Sleep scales results for the sex stratification and age at onset stratification in PD patients

From: Sex and onset-age-related features of excessive daytime sleepiness and night-time sleep in patients with Parkinson’s disease

Variablesa Male
n = 347
Female
n = 239
P-value EOG
n = 86
LOG
n = 500
P-value
ESS 6.0 (3.0–10.0) 4.0 (1.0–8.0) <  0.001 4.5 (2.0–9.0) 5.5 (2.0–9.0) 0.203
ESS ≥ 10, n% 102 (29.4) 39 (16.3) <  0.001 20 (23.3) 121 (24.2) 0.850
PSQI 6.0 (4.0–9.0) 6.0 (4.0–9.0) 0.761 5.0 (2.0–8.0) 6.0 (4.0–9.0) 0.006
PSQI> 5, n% 182 (52.4) 129 (54.0) 0.716 35 (40.7) 276 (55.2) 0.013
  1. aContinuous variables are expressed as mean ± standard deviation or as median (interquartile range). Categorical variables are expressed as frequency (percent)
  2. Abbreviations: EOG Early-onset group, LOG Late-onset group, ESS Epworth Sleepiness Scale, PSQI Pittsburgh Sleep Quality Index