From: Heart rate analysis in normal subjects of various age groups
PARAMETERS
10 ± 5
25 ± 10
40 ± 15
60 ± 5
'p' value
LF/HF
1.425 ≤ 1.0591
1.26798 ≤ 0.88745
2.29766 ≤ 2.59557
1.57 ≤ 1.867
0.018