HRV	Heart Rate Variability
AUC	Area Under the Curve
CI	Confidence Interval
LF	Low-Frequency Power
HF	High-Frequency Power
SDNN	Standard deviation of all NN intervals
rMSSD	Root mean square of successive differences between consecutive NN intervals
pNN50	Percentage of NN intervals differing by more than 50 ms
VLF	Very-Low-Frequency Power
LF/HF Ratio	Ratio between low-frequency and high-frequency power
OR	Odds Ratios
BG/T	Basal Ganglia/Thalamus
PLIC	Posterior Limb of Internal Capsule
IQR	Interquartile Range
EHI	Hypoxic–Ischemic Encephalopathy
TH	Therapeutic Hypothermia
LMIC	Low- and middle-income country