Table 1

Articles about application of the full Brock model2 on external data sets

Articles	Nodules, n	Period	Events, n	Follow-up	Discrimination	Calibration
Zhao et al 15	52	December 2007 onwards	5	2–6 years	AUC	Hosmer-Lemeshow test
Al-Ameri et al 16	244 patients*	2008–2013	99	2 years	AUC	–
Nair et al†‡17	6568 patients	2002–2007	220	1 year	AUC	Calibration plot
She et al 18	1798 patients*	2014–2015	1198	–	AUC	–
Schreuder et al†19	24 542	2002–2007	174	1–2 years	AUC	Hosmer-Lemeshow test
Winkler Wille et al 20	1152	2004–2006	233	–	AUC	–
Talwar et al 21	702*	2012–2013	323	2 years	AUC	Calibration plot
White et al†22	4431	2002–2007	116	Up to 7 years	AUC	–
Chung et al 23	872 for centre A and 974 for centre B*	2004–2012	177 for centre A and 264 for centre B	Up to 10 years	AUC	–
Yang et al 24	242*	2015	187	–	AUC	–

*Non-screening population.
†Articles using the National Lung Screening Trial (NLST) data set.
AUC, area under the curve.