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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Eur J Nucl Med Mol Imaging. 2012 May 30;39(9):1483–1491. doi: 10.1007/s00259-012-2151-7

Table 3.

iRENEX agreement with human experts

Citeriaa Equivocal scores Left kidney
Right kidney
True-positive True-negative Agreementb True-positive True-negative Agreementb
Quantitative Considered not obstructed 11/14 (79%) 29/35 (80%) 40/49 (82%) 9/14 (64%) 34/37 (92%) 43/51 (84%)
Considered obstructed 20/20 (100%) 25/29 (86%) 45/49 (94%) 14/19 (74%) 30/32 (94%) 44/51 (86%)
Quantitative + clinical Considered not obstructed 13/14 (92 %) 29/35 (80%) 42/49 (86%) 12/14 (86%) 34/37 (92%) 46/51 (90%)
Considered obstructed 20/20 (100%) 26/29 (90%) 46/49 (94%) 17/19 (89%) 30/32 (94%) 47/51 (92%)

The results were not significantly different between the left and right kidneys (p>0.05).

a

Quantitative quantitative MAG3 variables only; Clinical clinical and quality control variables.

b

Agreement between iRENEX and expert.