Table 3.

Final performance estimates from the simple power and exponential models

	Model	$\widehat{\alpha }$	$exp\left(\widehat{\alpha }\right)/(1+exp(\widehat{\alpha }\left)\right)$
Surgeon 1	Exponential	−2.626	0.067
	Power	−18.713	7.47×10−9
Surgeon 2	Exponential	−3.325	0.035
	Power	−8.334	2.40×10−4
Surgeon 3	Exponential	−3.984	0.018
	Power	−4.859	0.008