Table 2 Diagnostic performance of qualitative hematoma heterogeneity for hematoma expansion
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) |