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. Author manuscript; available in PMC: 2012 Apr 25.
Published in final edited form as: AJNR Am J Neuroradiol. 2011 Jan 13;32(3):454–459. doi: 10.3174/ajnr.A2320

Table.

Agreement between IPH detected by MR imaging and histology

Reader Histology + Histology − Total
No. of Images 63 81 144
CE-MRA maska 1 + 57 2 59
− 6 79 85
2 + 53 0 53
− 10 81 91
TOFb 1 + 50 11 61
− 13 70 83
2 + 50 10 60
− 13 71 84
a

Reader 1: Sensitivity, specificity, PPV, and NPV (95% CI) are 90% (80%–96%), 98% (91%–100%), 97% (87%–99%), and 93% (85%–97%), respectively. Reader 2: Sensitivity, specificity, PPV, and NPV (95% CI) are 84% (72%–92%), 100% (94%–100%), 100% (92%–100%), and 89% (80%–94%), respectively.

b

Reader 1: Sensitivity, specificity, PPV, and NPV (95% CI) are 79% (66%– 88%), 86% (77%–93%), 82% (70%–90%), and 84% (74%–91%), respectively. Reader 2: Sensitivity, specificity, PPV, and NPV (95% CI) are 79% (67%– 88%), 88% (78%–94%), 83% (71%–91%), and 85% (75%–91%), respectively.