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Table 4 Relationship between metanephrines and IL-1β plasmatic concentrations, and sleep parameters in women with GDM

From: Systemic inflammation and sympathetic activation in gestational diabetes mellitus with obstructive sleep apnea

  Metanephrine Normetanephrine IL-1β
Correlation coefficient p Value Correlation coefficient p Value Correlation coefficient p Value
rho 95%CI rho 95%CI rho 95%CI  
REM sleep time, %  − 0.334  − 0.558 to − 0.064 0.017  − 0.328  − 0.554 to − 0.057 0.019
Obstructive apnea index, h−1 0.329 0.058–0.555 0.018 0.289 0.014–0.523 0.040
Number of obstructive apneas 0.319 0.047–0.547 0.022 0.280 0.004–0.516 0.047
Mean obstructive apneas length, s 0.287 0.012–0.522 0.041 0.286 0.011–0.521 0.042
Maximum obstructive apneas length, s 0.319 0.047–0.547 0.026
Apnea-hypopneas index, h−1 0.3 0.059–0.555 0.033
Number of apnea-hypopneas 0.294 0.02–0.527 0.036
Apnea-hypopneas supine index, h−1 0.329 0.058–0.555 0.044
  1. Abbreviations: GDM gestational diabetes mellitus, IL interleukin