Table 3. LV regional diastolic function parameters evaluated using CMR-FT.
Variables | Non-CMD | CMD | P value |
---|---|---|---|
Segments | 647 | 665 | |
Regional LDSR (s−1) | 1.55 (1.18–2.26) | 1.76 (1.21–2.48) | 0.003* |
Regional CDSR (s−1) | 1.32 (1.00–1.65) | 1.26 (1.01–1.57) | 0.019* |
Regional RDSR (s−1) | −2.45 (−3.41 to −1.64) | −2.28 (−3.06 to −1.65) | 0.006* |
Data with a skewed distribution are expressed as median (IQR) values. *, significant result. LV, left ventricular; CMR-FT, cardiovascular magnetic resonance feature tracking; CMD, coronary microvascular dysfunction; LDSR, longitudinal diastolic strain rate; CDSR, circumferential diastolic strain rate; RDSR, radial diastolic strain rate; IQR, inter-quartile range.