Table 2. Sensitivity and specificity of the predictive scoring systems adapted from the LEAP study.

MESS: Mangled Extremity Severity Score; PSI: Predictive Salvage Index; LSI: Limb Salvage Index; HFS: Hannover Fracture Scale; NISSSA: Nerve injury, Ischemia, Soft-tissue contamination, Skeletal damage, Shock, and Age; LEAP: Lower Extremity Assessment Project

	MESS	PSI	LSI	NISSSA	HFS
Sensitivity	0.45	0.47	0.51	0.33	0.37
Specificity	0.93	0.84	0.97	0.98	0.98