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. 2011 Jul;260(1):282–293. doi: 10.1148/radiol.11101336

Table 2.

Diagnostic Performance of QISS Nonenhanced vs Contrast-enhanced MR Angiography

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Note.—Data are values of the diagnostic performance of nonenhanced MR angiography, as compared with contrast-enhanced MR angiography, in the detection of significant (≥50%) stenosis.

*

Per-segment and per-region analyses were performed with GEE modeling. Per-segment analysis was based on data from a total of 1516 segments. Per-region analysis was based on data from a total of 348 regions. Numbers in parentheses are 95% CIs.

†

Per-limb analysis was based on data from a total of 106 limbs. Absolute numbers of limbs used to calculate the percentages are in parentheses, and 95% CIs are in brackets.