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Table 1 Comparison of mean renal volume (ml) for three unimodal segmentation groups and one manual reference group

From: Semiautomatic segmentation of the kidney in magnetic resonance images using unimodal thresholding

  Mean total kidney volume (ml) ± SD
Total Left kidney Right kidney Male Female
Semiautomatic segmentation (unimodal thresholding) Observer 1 1 146.2 ± 29.8 150.2 ± 29.1 142.2 ± 30.5 160.9 ± 26.4 133.7 ± 27.0
2 143.3 ± 29.1 147.3 ± 28.0 139.4 ± 30.2 157.2 ± 26.4 131.6 ± 26.3
Observer 2 140.0 ± 28.3 141.4 ± 27.3 138.7 ± 29.9 153.2 ± 26.5 128.9 ± 25.2
Total 143.2 ± 29.0 146.3 ± 28.0 140.1 ± 29.8 157.1 ± 26.2 131.4 ± 25.9
Manual segmentation (reference volume) 141.7 ± 28.5 143.7 ± 27.5 139.6 ± 29.9 156.5 ± 24.4 129.1 ± 25.9