Table 3.

Accuracy comparison between nonsecure and proposed secure logistic regressions.

Data sets	SEERa CRCb data	Breast cancer
AUCc (nonsecure)	0.703 (0.008)	0.728 (0.156)
AUC (our protocol)	0.696 (0.008)	0.717 (0.164)
P value (AUC)	.09	.88
Accuracy (nonsecure)	0.620 (0.013)	0.664 (0.149)
Accuracy (our protocol)	0.612 (0.013)	0.632 (0.155)
P value (accuracy)	.18	.64
F1d (nonsecure)	0.654 (0.012)	0.508 (0.198)
F1 (our protocol)	0.649 (0.012)	0.505 (0.240)
P value (F1)	.42	.97

^aSEER: surveillance, epidemiology, and end results.

^bCRC: colorectal cancer.

^cAUC: area under the curve.

^dF₁: the harmonic mean of the precision and recall.