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Table 2 Kidney to background ratios of NTA and MAG3

From: Head to head comparison of [99mTc]Tc(CO)3(NTA) and [99mTc]Tc-MAG3 in patients with suspected obstruction

  Left kidney Right kidney
Subject MAG3 NTA MAG3 NTA
1 7.7 9.5 5.6 7.6
2 2.0 3.1 0.4 0.8
3 7.0 9.2 6.2 7.6
4 AK AK 10.1 14.3
5 3.0 3.7 4.0 5.0
6 4.1 6.6 1.8 2.4
7 7.2 8.2 6.7 7.2
8 AK AK 2.6 3.3
9 5.2 5.9 4.7 5.3
10 5.0 5.3 0.9 1.4
11 6.2 6.2 1.7 2.2
13 7.9 10.3 6.0 8.1
14 2.5 2.9 2.2 2.3
15 1.7 2.1 3.1 3.9
16 7.7 8.8 6.0 7.3
17 2.8 3.0 2.1 2.6
18 5.1 6.0 2.8 3.0
19 8.2 8.5 5.4 7.3
Mean 5.2 6.2 4.0 5.1
SD 2.3 2.7 2.5 3.4
P   0.0002   0.0003
  1. Patient 12 withdrew from the study prior to tracer injection
  2. AK, absent kidney