Table 3.

Changes in the fraction of spectral energy in low-frequency peaks due to insulin infusion. These values are from single subjects in each category. In each cell, the upper number is the energy fraction before insulin administration, the lower is in the presence of insulin.

		Baseline			Heat treatment
Frequency range (Hz)		Norm	Pre DM	DM	Norm	Pre DM	DM
0.00–0.0605*	Endothelial, neurogenic	0.042 0.127	0.033 0.018	0.017 0.085	0.272 0.257	0.034 0.040	0.178 0.223
0.091–0.574	Myogenic	0.186 0.436	0.135 0.084	0.308 0.316	0.250 0.362	0.153 0.643	0.466 0.290
0.605–1.481	Respiratory	0.165 0.192	0.217 0.205	0.329 0.163	0.135 0.160	0.180 0.091	0.153 0.153
1.512–3.356	Heartbeat	0.402 0.159	0.257 0.275	0.200 0.288	0.226 0.142	0.280 0.315	0.133 0.223