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Table 2 Slopes and intercepts (95% CI) estimated by Deming regression analyses of Actiheart versus Holter (n = 489) HRV measures

From: Comparison of two systems for long-term heart rate variability monitoring in free-living conditions - a pilot study

  Slope 95%CI Intercept 95%CI
RRmean 0.998 (0.994 - 1.001) 1.91 (-0.515 - 4.332)
LFn.u. 0.981 (0.962 - 1.001) 0.01 (-0.014 - 0.027)
HFn.u. 0.980* (0.964 - 0.997) 0.01 (-0.002 - 0.022)
ln(TP) 0.977* (0.962 - 0.994) 0.17* (0.047 - 0.289)
ln(LFP) 0.995 (0.977 - 1.013) 0.03 (-0.088 - 0.166)
ln(HFP) 0.971* (0.950 - 0.991) 0.19* (0.061 - 0.315)
ln(LF/HF) 0.973* (0.950 - 0.995) 0.00 (-0.043 - 0.034)
  1. Significantly different from 1 (slopes) or 0 (intercepts); * P < 0.05;