Table 5.

Diagnostic scores of the accuracy of the Surprise Question across specialties

	Studies	Estimates	PPV	NPV	Sensitivity	Specificity	c-statistic
	(n)	(n)	Mean (SD), Range	Mean (SD), Range	Mean (SD), Range	Mean (SD), Range	Mean (SD), Range
Oncology	6	11,047	49.3 (13.5), 30.3–69	92.3 (4.9), 83.8–97.4	77.1 (13.7), 58.3–95.6	73.5 (20.5), 37–89.7	0.753 (0.052), 0.663–0.822
Renal	8	5327	38.5 (14.4), 24.8–63.8	90.2 (3.8), 83.1–95	60.6 (16.2), 37.9–83.3	77.2 (10.4), 57.6–90.8	0.689 (0.049), 0.631–0.78
Other	10	9344	46.4 (24.5), 13.9–78.6	85.5 (13.3), 61.3– 99	62.8 (25.5), 11.6–93.3	71.4 (26.7), 13.8–98.2	0.671 (0.114), 0.512–0.822

PPV positive predictive value, NPV negative predictive value