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Table 1 Subcutaneous adipose tissue and muscle areas and volumes calculated from manual and AI-based segmentations in the test group (74 patients and two studies each)

From: Artificial intelligence-aided CT segmentation for body composition analysis: a validation study

Segmentation Area (cm2)/volume (cm3) Difference (%)
SAT
 Manual 2D 191 (65–358) 5.5% (0.1–26.2)
 AI-based 2D 190 (64–349) 5.0% (0.1-25.9)
 AI-based 3D 7,386 (2,021–13,889) 1.8% (0.0–7.8)
Muscle
 Manual 2D 168 (90–229) 5.1% (0.0–19.7)
 AI-based 2D 162 (92–217) 3.9% (0.0–15.9)
 AI-based 3D 7,982 (5122–11,422) 1.9% (0.1–5.0)
  1. Data are given as mean and ranges (minimum–maximum). 2D Two-dimensional, 3D Three-dimensional, AI Artificial intelligence, SAT Subcutaneous adipose tissue
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