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Time domain measures of HRV (a)SDANN and (b)pNN50 as a function of time after intravenous endotoxin administration, given at time-point zero, in both female (n=14) and male (n=16) subjects. Results are expressed as mean ± SE. From admission to 24 hours there was no significant difference between groups as measured by (a)SDANN and (b)pNN50.
