Comparison of Semiparametric, Parametric, and Nonparametric ROC Analysis for Continuous Diagnostic Tests Using a Simulation Study and Acute Coronary Syndrome Data

Table 5

The results of applying the parametric, semiparametric, and nonparametric ROC methods to the ACS data set.

n 1 : n 0	Methods	𝑎	𝑆𝐸(𝑎)	𝑏̂	𝑆𝐸(𝑏̂)	𝐴𝑈𝐶	𝑆𝐸(𝐴𝑈𝐶)	95% CI for 𝐴𝑈𝐶
	Parametric	0.635	0.249	0.331	0.060	0.727	0.049	0.630–0.823
62 : 20	Semiparametric	1.310	0.331	1.018	0.185	0.821	0.030	0.761–0.880
	Nonparametric	—	—	—	—	0.845	0.044	0.759–0.930