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 | ||