CC BY-NC-ND 4.0 · Sleep Sci 2023; 16(S 01): 001-070
DOI: 10.1055/s-0043-1770265
ID: 1422

Correlation between Objective and Subjective Measures of the Sleep Parameters in Post-COVID-19 Patients

D. M. Dos Santos
1   Universidade Federal de Pernambuco, Recife, PE, Brazil
,
A. F. D. De Andrade
1   Universidade Federal de Pernambuco, Recife, PE, Brazil
,
S. L. Rodrigues
2   Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
,
J. C. N. Nóbrega Júnior
1   Universidade Federal de Pernambuco, Recife, PE, Brazil
,
A. M. J. De Lima
2   Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
› Author Affiliations
› Further Information
Also available at
 
 

    Keywords

    COVID-19 - excessive daytime sleepiness - sleep quality - sleep parameters

    Introduction: SARS-CoV2 infection has a serious pandemic character and high potential for transmission around the world. This disease has been generating repercussions in affected patients even in the post-COVID phase. Changes in the sleep parameters are highly prevalent and can affect the functional capacity and quality of life of these patients. Thus, it is important to evaluate and monitor sleep-related variables in the post-covid period.

    Aim: To assess the correlation between objective and subjective measures of sleep parameters in post-COVID-19 patients.

    Methods: This is a cross-sectional study and the objective assessments of sleep included sleep efficiency (SE), total sleep time (TST), Wake episodes per night (WE) and sleep latency (SL), obtained by the Actigraph (ActTrust, Condor) used for 7 days. The subjective sleep quality (SQ) was assessed using the Pittsburgh sleep quality questionnaire (PSQI) and the excessive daytime sleepiness (EDS) using the Epworth sleepiness scale (ESS). Data are shown as mean, standard deviation and percentage. The Spearman correlation test was used to evaluate the correlation between the variables, a statistical significance level of p ≤ 0.05 was considered.

    Results: Fifteen patients were evaluated, aged 44.8 ± 14.4 years, and the prevalence of females (83.3%). Regarding to the PSQI results, poor sleep quality was observed in the entire sample (100%). However, the subjects did not show EDS. Correlating objective and subjective measures of sleep parameters, a positive correlation was observed between the PSQI score and TST (p = 0.018; r = 0.60). There was no correlation between PSQI score and SL (p = 0.37; r = 0.17), SE (p = 0.67; r = -0.11) and WE (p = 0.92; r = 0.27). There was also no correlation between ESS score and TTS (p = 0.77; r= 0.08), LS (p = 0.28; r = 0.29), ES (p = 0.81; r = - 0.06) and the ND (p = 0.30; r = 0.28).

    Conclusions: In accord to the results, a positive correlation was observed between sleep quality (PSQI score) and total sleep time. However, there was no correlation between the PSQI and ESS scores and the other objective sleep parameters.


    #

    No conflict of interest has been declared by the author(s).

    Publication History

    Article published online:
    15 June 2023

    © 2023. Brazilian Sleep Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

    Thieme Revinter Publicações Ltda.
    Rua do Matoso 170, Rio de Janeiro, RJ, CEP 20270-135, Brazil