Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Baseline MAP (mean arterial pressure measured with sphygmomanometer), HR (heart rate) MSNA in burst frequency (NBM) per group (Y, Young; O, Old). Boxplots show median, range and interquartile range. ° Indication of excluding outliers; * indication of a significant difference between groups with Mann-Whitney U tests.
