Skip to main content

Table 2 Surface and volume errors for the regression models

From: Atlas-based analysis of cardiac shape and function: correction of regional shape bias due to imaging protocol for population studies

Model

ED

ES

LVM

Intercept only

Estimated SSFP

130.7 ± 33.9 ml

49.2 ± 12.7 ml

132.8 ± 34.4 g

Residual volume error

−3.4 ± 26.3 ml

−3.7 ± 11.3 ml

1.7 ± 26.5 g

Residual surface error

0.14 mm

0.26 mm

 

Slope and intercept

Estimated SSFP

130.3 ± 27.1 ml

49.3 ± 11.0 ml

131.3 ± 29.6 g

Residual volume error

−3.8 ± 13.2 ml

−3.6 ± 8.0 ml

0.1 ± 12.2 g

Residual surface error

0.10 mm

0.20 mm

 

Slope and forced origin

Estimated SSFP

130.5 ± 27.7 ml

49.2 ± 11.5 ml

131.1 ± 30.3 g

Residual volume error

−3.7 ± 12.6 ml

−3.7 ± 8.2 ml

0.0 ± 10.3 g

Residual surface error

0.13 mm

0.27 mm

 

Forced identity and intercept

Estimated SSFP

132.0 ± 28.0 ml

50.6 ± 11.9 ml

131.5 ± 30.3 g

Residual volume error

−2.1 ± 12.6 ml

−2.2 ± 8.2 ml

0.3 ± 10.3 g

Residual surface error

0.08 mm

0.16 mm

 

Maximum likelihood estimated

Estimated SSFP

133.7 ± 29.6 ml

53.2 ± 14.4 ml

130.1 ± 30.9 g

Residual volume error

−0.4 ± 14.6 ml

0.4 ± 10.4 ml

−1.1 ± 10.8 g

Residual surface error

0.06 mm

0.07 mm

 

Nodal-grouped parameters

Estimated SSFP

130.5 ± 28.0 ml

49.5 ± 11.7 ml

130.2 ± 27.4 g

Residual volume error

−3.6 ± 12.6 ml

−3.3 ± 7.7 ml

−0.9 ± 13.2 g

Residual surface error

0.09 mm

0.21 mm

 

Pseudo-inverse global

Estimated SSFP

137.9 ± 33.1 ml

54.4 ± 15.3 ml

130.1 ± 32.7 g

Residual volume error

3.8 ± 16.3 ml

1.6 ± 12.7 ml

−1.2 ± 19.0 g

Residual surface error

0.28 mm

0.34 mm

 
  1. For original GRE and SSFP volumes see Table 1.