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Table 2 Area under the curve for ANP-to-BNP ratio, ANP, BNP, CTR and LAD

From: Ratio of preoperative atrial natriuretic peptide to brain natriuretic peptide predicts the outcome of the maze procedure in mitral valve disease

  AUC p value 95% confidence interval
Preoperative ANP/BNP ratio 0.81 0.02 0.61 – 1.00
Preoperative ANP 0.73 0.08 0.50 – 0.96
Preoperative BNP 0.55 0.69 0.30 – 0.81
CTR 0.79 0.29 0.61 – 0.97
LAD 0.75 0.06 0.52 – 0.98
  1. ANP: atrial natriuretic peptide; AUC: area under the curve; BNP: brain natriuretic peptide; CTR: cardiothoracic ratio; LAD: left atrial dimension.