Table 2:

Subclasses of sensitivity and specificity in TOF-MRA and CE-MRA

	TOF-MRA		CE-MRA
	Sensitivity (95% CI)	Specificity (95% CI)	Sensitivity (95% CI)	Specificity (95% CI)
Retrospective	90% (85–94%)	87% (82–91%)	93% (85–97%)	95% (90–98%)
Prospective	85% (81–88%)	86% (82–89%)	82% (77–87%)	82% (75–87%)
2D DSA	85% (82–89%)	91% (88–93%)	80% (74–85%)	82% (76–88%)
3D DSA	90% (84–95%)	76% (70–82%)	92% (86–96%)	93% (88–96%)
1–1.5T	86% (83–89%)	85% (81–88%)	89% (84–92%)	87% (83–91%)
3T	88% (82–92%)	87% (80–92%)	79% (71–86%)	83% (74–91%)
GRADE 2–3	87% (82–90%)	86% (81–89%)	77% (70–84%)	85% (79–90%)
GRADE 4	86% (81–90%)	87% (83–90%)	92% (86–95%)	90% (85–94%)
Weighted results	86% (85–88%)	86% (85–88%)	87% (85–89%)	88% (86–90%)

Percentages are shown with 95% confidence intervals in parentheses.