Table 5.

Risk of readmission score cutoffs, sensitivity, specificity, positive and negative predictive values with 95% CI for 2010 derivation and 2011 validation populations.

	2010 Derivation		2011 Validation
	Mean Cutoff (1.7)	High Score (2.5)	Mean Cutoff*	High Score**
Sensitivity	74.9 (72.4–77.3)	30.9(28.3–33.6)	79.2(76.8–81.4)	30.9(28.3–33.6)
Specificity	54.4(53.2–55.5)	54.4 (53.2–55.6)	55.4(54.3–56.5)	88.4 (87.8–89.3)
Neg, Predictive Value	92.6(91.8–93.4)	81.9(80.8–83.0)	94.2 (93.4–94.9)	88.1 (87.3–88.8)
Positive Predictive Value	22.2 (20.9–23.5)	10.5(9.5–11.6)	22.6(21.4–23.9)	32.0 (29.3–34.7)

*Mean cutoff was derived from the 2010 Derivation Population.

** High Score was derived from the 2010 Derivation Population.