Table 5 The difference in clinical measures between automated segmentation and manual segmentation, as well between measurements by different human observers

(a) Absolute difference

Auto vs Manual

O1 vs O2

O2 vs O3

O3 vs O1

(n = 600)

(n = 50)

(n = 50)

(n = 50)

LVEDV (mL)

6.1 (5.3)

6.1 (4.4)

8.8 (4.8)

4.8 (3.1)

LVESV (mL)

5.3 (4.9)

4.1 (4.2)

6.7 (4.2)

7.1 (3.8)

LVM (gram)

6.9 (5.5)

4.2 (3.2)

6.6 (4.9)

6.5 (4.8)

RVEDV (mL)

8.5 (7.1)

11.1 (7.2)

6.2 (4.6)

8.7 (5.8)

RVESV (mL)

7.2 (6.8)

15.6 (7.8)

6.6 (5.5)

11.7 (6.9)

(b) Relative difference

LVEDV (%)

4.1 (3.5)

4.2 (3.1)

6.3 (3.3)

3.4 (2.2)

LVESV (%)

9.5 (9.5)

6.8 (7.5)

12.5 (8.5)

11.7 (5.1)

LVM (%)

8.3 (7.6)

4.4 (3.3)

6.0 (3.7)

6.7 (4.6)

RVEDV (%)

5.6 (4.6)

8.0 (5.0)

4.2 (3.1)

5.7 (3.6)

RVESV (%)

11.8 (12.2)

30.6 (15.5)

10.9 (8.3)

16.9 (9.2)