Research Article
Technical Innovation for Visual Assessment of Preterm Newborns in a Neonatal Intensive Care Unit: Exploratory Study
Table 4
Simple linear regression analysis between visual acuity and different HRV domains.
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Dependent variable: visual acuity; independent: frequency domain variables (HR: heart rate and HZ: hertz) and time domain variables (SDNN: standard deviation between normal beats; SD2: standard deviation) during test; : beta; : value. Linear regression analysis. | ||||||||||||||||||||||||||||||||||||||||||