TABLE 4.

External validation results for the selected Step 1 Support Vector Machine model and Step 2 Random Forest model.

	Patient identification (Step 1 Support Vector Machine)		Course regimen identification (Step 2 Random Forest)
	CHOP	non-CHOP	CHOP	non-CHOP
Sensitivity (95% Cl)	0.82(0.70,0.95)	0.93(0.90,0.96)	0.94(0.89,0.99)	0.96(0.94,0.97)
PPV (95% Cl)	0.82(0.70,0.95)	0.75(0.70,0.80)	0.93(0.87,0.98)	0.95(0.94,0.97)

Abbreviations: CHOR Children’s Hospital of Philadelphia; Cl, confidence interval; PPV, positive predictive value.