Table 3 Logistic regression of independent PPG features in AF identification.

From: Identification of Atrial Fibrillation by Quantitative Analyses of Fingertip Photoplethysmogram

 

Estimate

Std. error

Odds ratio

95% CI

p value

Mean_PIN

−3.631

1.340

0.0265

0.002–0.404

<0.001

Mean SD_PIN

−14.294

2.378

10.787

2.330–49.945

0.008

Sample Entropy_PIN

3.625

0.511

37.519

13.774–102.197

<0.001

Mean RMSSD_AMP

5.471

1.243

237.654

20.786–2717.225

<0.001

Sample Entropy_AMP

1.774

0.524

5.896

2.111–16.469

<0.001

TPR_AMP

10.077

2.523

23792.175

169.268–3.3* 106

<0.001

  1. Values are mean ± standard deviation.
  2. PIN: pulse interval. AMP: systolic amplitude. SD: standard deviation. RMSSD: root mean square of successive differences. TPR: turning point ratio.
  3. Represented by the 2-minute analytic program.
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