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Table 2 Diagnostic performance of qualitative hematoma heterogeneity for hematoma expansion

From: Swirls and spots: relationship between qualitative and quantitative hematoma heterogeneity, hematoma expansion, and the spot sign

  Sensitivity Specificity Positive predictive value Negative predictive value
Spot Sign 57 (34–78) 72 (58–84) 46 (27–67) 80 (65–90)
Swirl Sign 67 (43–85) 62 (47–75) 42 (25–61) 82 (66–92)
Either 76 (53–92) 50 (36–64) 39 (24–55) 83 (65–94)
Both 48 (26–70) 84 (71–93) 56 (31–78) 79 (66–89)
  1. All values listed in percentage with 95 % confidence intervals listed in parentheses