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. Author manuscript; available in PMC: 2014 Oct 7.
Published in final edited form as: Circ Heart Fail. 2013 Oct 8;6(6):1172–1179. doi: 10.1161/CIRCHEARTFAILURE.113.000207

Table 3.

Added Value of ST2 to Final Clinical Model and NT-proBNP

All-Cause Death/Hospitalization CV Death/HF Hospitalization All-Cause Death CV Death HF Hospitalization
C-Statistics
 Without CPX variables + age, race, NT-proBNP 0.641 0.759 0.751 0.778 0.762
 Without CPX variables + age, race, NT-proBNP + ST2 0.644 0.768 0.758 0.789 0.771
95% CI for Change in C-Statistic (0.0003, 0.0048) (0.0084, 0.0155) (0.0043, 0.0125) (0.0055, 0.0145) (0.0079, 0.0149)
IDI 0.0002 0.0065 0.0078 0.0123 0.0043
95% CI for IDI (−0.044, 0.0027) (−0.0293, 0.0181) (−0.0282, 0.0597) (−0.0059, 0.0264) (−0.0056, 0.0123)
NRI 0.025 0.015 0.049 0.0472 0.0638
95% CI for NRI (−0.1142, 0.187) (−0.2123, 0.2468) (−0.2222, 0.1492) (−0.3260, 0.1812) (−0.0985, 0.2763)

CI = confidence interval, CV = cardiovascular, IDI = integrated discrimination improvement, NRI = net reclassification improvement (without categories)