Rapid whole-heart CMR with single volume super-resolution

Table 4 Qualitative image scores and quantitative image quality results, from the prospective patient study. Displayed as mean ± standard deviation

	n	High-resolution	Low-resolution	Super-resolution
Qualitative Image Quality Scores
Sharpness of vessel borders	600	4.1 ± 0.6	3.1 ± 0.7*	4.2 ± 0.6^†
Image distortion	600	4.1 ± 0.5	3.8 ± 0.5*	4.0 ± 0.5^†
Residual artifacts	600	3.8 ± 0.6	3.7 ± 0.6	3.8 ± 0.5
Quantitative Image Quality Scores
eSNR	40	17.2 ± 6.5	22.8 ± 7.3**	27.3 ± 11.1**^,††
eCNR	40	3.0 ± 0.5	3.2 ± 0.4**	3.3 ± 0.4**
Edge sharpness (mm⁻¹)	200	0.8 ± 0.4	0.6 ± 0.3**	1.3 ± 0.7**^,††

eCNR Estimated contrast-to-noise ratio, eSNR Estimated signal to noise ratio
* Indicates significant differences with high-resolution WH-bSSFP technique (p < 0.05) as assessed by Friedman’s test with post-hoc testing using the Nemenyi test (Qualitative scoring)
^† Indicates significant differences with low-resolution WH-bSSFP technique (p < 0.05) as assessed by Friedman’s test with post-hoc testing using the Nemenyi test (Qualitative scoring)
** Indicates significant differences with high-resolution WH-bSSFP technique (p < 0.05) ANOVA with post hoc testing using Holm correction (Quantitative scoring)
^†† Indicates significant differences with low-resolution WH-bSSFP technique (p < 0.05) ANOVA with post hoc testing using Holm correction (Qualitative scoring)

ISSN: 1532-429X