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Table 2 Individual nocturnal profiles of RA for six infants

From: Nocturnal heart rate variability in 1-year-old infants analyzed by using the Least Square Cosine Spectrum Method

Subject Mean of RA Max of RA Cycle length of RA (min)
A 1.9 13.0 62
B 2.3 15.2 77
C 3.0 17.9 97
D 2.3 12.5 58
E 3.5 17.2 61
F 3.8 16.8 64
Average 2.8 15.4 70
SD 0.8 2.3 15
  1. The RA value during the night averaged 2.8 ± 0.8 for the six subjects. The cyclic changes of RA were obtained from all subjects, and the mean cycle length of RA was 70 ± 15 min