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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Med Image Anal. 2014 Mar 29;18(4):684–698. doi: 10.1016/j.media.2014.03.001

Table 7.

The confusion matrices among groups: SGS pre-surgery (Pre), SGS post-surgery (Post), and control (CRL).

Pre (P) v.s. CRL (N) Pre (P) v.s. Post (N) Pre (P) v.s. Post&CRL (N)
Weighted
point-wise boxplots
TP = 5 FP = 1 TP = 5 FP = 0 TP = 5 FP = 2
FN = 1 TN = 67 FN = 1 TN = 11 FN = 1 TN = 77
TPR = 0.83, FPR = 0.01
PPV= 0.83, ACC = 0.97
TPR = 0.83, FPR = 0.0
PPV = 1.0, ACC = 0.94
TPR = 0.83, FPR = 0.03
PPV = 0.71, ACC = 0.96
Functional
boxplots
TP = 6 FP = 2 TP = 5 FP = 1 TP = 5 FP = 8
FN = 0 TN = 66 FN = 1 TN = 10 FN = 1 TN = 71
TPR = 1.0, FPR = 0.03
PPV= 0.75, ACC = 0.97
TPR = 0.83, FPR = 0.09
PPV = 0.83, ACC = 0.88
TPR = 0.83, FPR = 0.10
PPV = 0.38, ACC = 0.89
Weighted
functional boxplots
TP = 6 FP = 0 TP = 5 FP = 1 TP = 6 FP = 3
FN = 0 TN = 68 FN = 1 TN = 10 FN = 0 TN = 76
TPR = 1.0, FPR = 0.0
PPV=1.0, ACC = 1.0
TPR = 0.83, FPR = 0.09
PPV = 0.83, ACC = 0.88
TPR = 1.0, FPR = 0.04
PPV = 0.67, ACC = 0.96

Notes: P (positive), N (negative), TP (true positive), FP (false positive), FN (false negative), TN (true negative), TPR (true positive rate), FPR (false positive rate), PPV (positive predictive value), ACC (accuracy).