Table 3. Image quality assessment and subgroup analysis in the study population.
| Parameters | All patients (n=224) | Arrhythmia group (n=53) | Non-arrhythmia group (n=171) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SegBH | RTCSCineFB | P | SegBH | RTCSCineFB | P | SegBH | RTCSCineFB | P | |||
| Image quality score | 4.37±0.92 | 4.10±0.59 | <0.001 | 3.77±1.15 | 4.11±0.72 | <0.001 | 4.55±0.75 | 4.10±0.55 | <0.001 | ||
| Image interpretability rate (score ≥3) | 95.09 (213/224) | 99.11 (222/224) | – | 83.02 (44/53) | 98.11 (52/53) | – | 98.83 (169/171) | 99.42 (170/171) | – | ||
| BMC | 4.05±0.98 | 2.14±0.48 | <0.001 | 3.99±1.15 | 2.21±0.60 | <0.001 | 4.07±0.93 | 2.12±0.43 | <0.001 | ||
| Edge sharpness | 0.530±0.223 | 0.335±0.151 | <0.001 | 0.532±0.199 | 0.357±0.159 | <0.001 | 0.529±0.231 | 0.327±0.147 | <0.001 | ||
Results are shown as mean ± SD or % (number/total). SegBH, breath-hold segmented cine; RTCSCineFB, real-time compressed sensing cine with free breathing; BMC, blood-to-myocardial contrast; SD, standard deviation.