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Table 4 Multivariate analysis model: correlation between E/e’ ratio at peak exercise with univariable clinical parameters

From: Subclinical impairment of dynamic left ventricular systolic and diastolic function in patients with obstructive sleep apnea and preserved left ventricular ejection fraction

Variable

Beta coefficient

P-value

LV E/e’ at peak exercise

Watts (at peak effort)

− 0.50

< 0.001

Blood lactates (at rest)

0.36

< 0.01

LV GLS (at rest)

0.46

< 0.001

AHI

0.42

< 0.001

  1. Statistically significant results (p < 0.05) are reported in bold
  2. Abbreviations: LV GLS Left ventricular global longitudinal strain, AHI Apnea-hypopnea index