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Table 5 ESS, PSQI and its components, SRI and its subscales scores with NIV and one month after the switch to CPAP

From: Switch of noninvasive ventilation (NIV) to continuous positive airway pressure (CPAP) in patients with obesity hypoventilation syndrome: a pilot study

Scores NIV CPAP P value
ESS 8.21 ± 5.54 4.29 ± 3.43 0.004*
PSQI 6.86 ± 4.77 6.14 ± 3.65 0.311
Componant 1 1.07 ± 0.92 0.86 ± 0.53 0.500
Componant 2 0.79 ± 1.37 1.29 ± 1.27 0.250
Componant 3 0.93 ± 0.83 0.93 ± 1.07 1
Componant 4 0.5 ± 0.85 0.57 ± 0.85 0.531
Componant 5 1.29 ± 0.61 1.21 ± 0.43 1
Componant 6 1.21 ± 1.48 0.43 ± 1.09 0.125
Componant 7 1 ± 1.18 0.86 ± 1.03 0.766
SRI 62.4 ± 19.46 66.5 ± 17.32 0.153
SRI RC 70 ± 21.61 71.87 ± 21.58 0.529
SRI PF 48.61 ± 28.33 46.13 ± 29.17 0.404
SRI AS 54.83 ± 28.80 64.54 ± 22.04 0.135
SRI SF 70.83 ± 21.30 75 ± 19.81 0.682
SRI ANX 69.67 ± 16.74 70.14 ± 18.02 0.968
SRI WB 61.31 ± 28.63 73.21 ± 21.89 0.240
SRI SR 61.54 ± 23.52 64.38 ± 22.25 0.675
  1. Data are expressed in mean (standard deviation)
  2. Definition of abbreviations: NIV non invasive ventilation, CPAP continuous positive airway pressure, ESS epworth sleepiness scale, PSQI Pittsburgh sleep quality index, SRI severe respiratory insufficiency questionnaire, RC respiratory complaints, PF physical functioning, AS attendant symptoms, SF social functioning, ANX anxieties, WB well being, SR social relationships
  3. *means significance with p value < 0.05