Table 3.

Performance of primary amputation wound healing prediction by surgeons and machine learning algorithms.

Method	Accuracy	Sensitivity	Specificity	AUC	Accuracy Minor Amps	Accuracy Major Amps
Surgeon Judgement	56%	n/a	n/a	n/a	40%	80%
Clinical Risk Factors Only	70%	46%	84%	0.65	...	...
MSI only	71%	66%	75%	0.70	...	...
MSI + Clinical Risk Factors	88%	91%	86%	0.89	87%	90%

AUC – area under curve; MSI – multispectral imaging

Minor amputations: toe and transmetatarsal amputations

Major amputations: above-knee and below-knee amputations