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Table 5 Diagnostic scores of the accuracy of the Surprise Question across specialties

From: How accurate is the ‘Surprise Question’ at identifying patients at the end of life? A systematic review and meta-analysis

  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
  1. PPV positive predictive value, NPV negative predictive value