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. 2017 Jun 1;11(6):TC09–TC14. doi: 10.7860/JCDR/2017/26336.10030

[Table/Fig-7]:

Statistical tests between automated coronary calcium volumes against manual readings.

Segmentation Techniques Manual Reading using iMAP software Two-tailed paired Student’s t-test Wilcoxon signed rank test Mann-Whitney test Chi-squared test
t p p p Contingency coefficient p
Threshold-based aCCV and mCVV 6.502 <0.0001 <0.0001 <0.0001 0.973 =0.2356
aCCV and mCLV 0.447 =0.6602 =0.9843 =0.9418 0.973 =0.2356
aCCV and mCAV 4.908 =0.0001 <0.0001 =0.0002 0.973 =0.2356
FCM aCCV and mCVV 6.389 <0.0001 <0.0001 <0.0001 0.973 =0.2356
aCCV and mCLV -0.062 =0.9515 =0.9530 =0.8153 0.973 =0.2356
aCCV and mCAV 4.733 =0.0002 <0.0001 =0.0008 0.973 =0.2356
K-means aCCV and mCVV 6.947 <0.0001 <0.0001 <0.0001 0.973 =0.2356
aCCV and mCLV 2.126 =0.0476 =0.1447 =0.3000 0.973 =0.2356
aCCV and mCAV 5.550 <0.0001 <0.0001 <0.0001 0.973 =0.2356
HMRF aCCV and mCVV 5.802 <0.0001 <0.0001 =0.0001 0.973 =0.2356
aCCV and mCLV -2.085 =0.0516 =0.0494 =0.1116 0.973 =0.2356
aCCV and mCAV 3.797 =0.0013 <0.0001 =0.0173 0.973 =0.2356