Nicotine Ingestion Reduces Heart Rate Variability in Young Healthy Adults

Table 3

Nicotine treatment.

Measurements	Nicotine treatment
	Before	During	After	(during vs. before)	# (after vs. before)
LFF power (ms^2)
LFM power (ms^2)
HFF power (ms^2)
HFM power (ms^2)
LFF (n.u.)
LFM (n.u.)
HFF (n.u.)
HFM (n.u.)
LFF/HFF
LFM/HFM
HRF (BPM)
HRM (BPM)
SDNNF (ms)
SDNNM (ms)
RMSSDF (ms)
RMSSDM (ms)

Note: data was presented as ; “F” meant female, “M” meant male; LF and HF measurements were in normalized unit; only value < 0.05 was annotated.