GP1 GP2 GP3 GP4 GP5   Boole Simpson Trapezoidal Boole Simpson Trapezoidal Boole Simpson Trapezoidal Boole Simpson Trapezoidal Boole Simpson Trapezoidal W-value 249 179 170.5 11 9 8 45 18 45 0 0 0 326 291.5 304 p-value 0.00018 0.00128 0 0 0 0 0 0 0 0 0 0 0.00262 0.00084 0.00128 T-value 2.4029 3.3588 3.3591 7.1380 7.2498 7.3634 5.5064 5.8323 5.8313 14.6508 14.7025 14.7955 2.1443 2.0970 2.0128 P-value .018148 .001116 .001115 .00000081 .00000081 .00000091 .00000071 .00000061 .00000081 .00000071 .00000071 .00000091 .035083 .038573 .046883 RMSE 4.63 5.07 4.70 8.78 9.14 8.88 7.36 7.37 7.38 15.19 15.40 15.24 4.68 4.54 4.57 Cb 1.749 1.851 1.691 3.023 3.053 3.087 2.434 2.421 2.417 7.148 7.231 7.164 2.069 1.689 1.686

Table 2: The similarity factor between true values of EF, and Boole, Simpson, and trapezoidal results using Wilcoxon Signed-Ranks, Canberra Distance(Cb), T-test and RMSE for all five groups of ECG leads (GP 1: all leads, GP2:V1-V4, GP3:II,III,aVF, GP4:I,aVL,V5-V6, GP5:I,aVF,V2).