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Table 3 Spectral area encompassed by low frequency activity (0.05 – 0.15 Hz) for right stellectomized (RSGX) and sham operated controls (SHAM) during baseline and hypoxia, 8th or 9th episode of intermittent hypoxia. Data are given as the group medians, 25th and 75th percentiles.

From: Heart rate variability in conscious neonatal swine: spectral features and responses to short-term intermittent hypoxia

CONDITION

RSGX

SHAM

 

Median; 25%, 75%

Median; 25%, 75%

BASELINE

0.5; 0.21, 0.94

1.3; 0.74, 2.24

HYPOXIA

1.8; 1.01, 2.25*

2.8; 1.78, 3.74*

% INCREASE: BASELINE → HYPOXIA

285.0; 62.88, 617.19

76.5; -0.42, 338.7

  1. *Low frequency area during hypoxia was significantly larger than that of baseline, i.e, normoxia.