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Table 1 RCSQ scores according to age, ICU stay length, and stressors

From: Associations between stressors and difficulty sleeping in critically ill patients admitted to the intensive care unit: a cohort study

  RCSQ score p value
Age groups
  ≤ 55 years 57.17 ± 13.69 0.163
  > 55 years 62.22 ± 16.39  
Duration of ICU stay
  ≤ 5 days 59.99 ± 17.41 0.848
  > 5 days 59.29 ± 12.40  
Stressors
Biological factors
 Anxiety symptoms
  Yes 60.70 ± 11.54 0.701
  No 59.22 ± 16.54  
 Pain
  Yes 57.53 ± 11.62 0.527
  No 60.28 ± 16.11  
Environmental factors
 Noise
  Yes 49.26 ± 14.20 0.001
  No 64.65 ± 13.06  
Lighting
  Yes 49.06 ± 16.54 0.003
  No 62.27 ± 13.77  
  1. RCSQ Richards–Campbell Sleep Questionnaire
  2. The data are expressed as mean ± standard deviation, p values were obtained using Student’s t test