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Table 3 Distribution of variation between subjects, observers and random noise per study

From: Reproducibility of semiautomated body composition segmentation of abdominal computed tomography: a multiobserver study

Compartment

Subjects

Observers

Random noise

SD

95% CI

SD

95% CI

SD

95% CI

AMC

 Total

32.2

28.5–36.5

0.5

0.2–1.6

1.8

1.7–2.0

 Diabetes-study

29.3

23.6–36.5

0.4

0.0–1.3

1.6

1.4–1.8

 INFO-study

20.2

17.4–23.6

0.6

0.0–2.7

2.2

1.9–2.7

IMAT

 Total

7.3

6.5–8.3

1.0

0.5–2.5

1.6

1.4–1.7

 Diabetes-study

10.0

8.0–12.5

1.0

0.5–2.8

1.7

1.6–2.0

 INFO-study

2.5

2.1–3.0

0.8

0.3–2.0

1.2

1.0–1.4

VAT

 Total

71.6

63.3–81.2

1.4

0.7–4.2

2.6

2.4–2.9

 Diabetes-study

59.1

47.7–73.8

1.2

0.5–3.8

2.8

2.5–3.1

 INFO-study

60.1

51.7–70.1

1.8

0.8–7.0

2.2

1.9–2.6

SAT

 Total

130.3

114.8–148.2

0.7

0.3–2.0

1.9

1.7–2.1

 Diabetes-study

148.5

119.2–186.3

0.7

0.3–2.1

1.8

1.6–2.1

 INFO-study

89.7

76.8–105.1

0.9

0.3–3.8

1.9

1.7–2.3

  1. SD standard deviation, CI confidence interval, AMC abdominal muscle compartment, IMAT inter- and intramuscular adipose tissue, VAT visceral adipose tissue, SAT subcutaneous adipose tissue