Table 2.
Pearson correlation coefficients (r2) and p values for the relation of Raman/FTIR spectral bands (I830/I860 and I960/I940) with cardiac functional and structural measurements.
| Variables | I830/I860 | I960/I940 | ||
|---|---|---|---|---|
| r2 | p value | r2 | p value | |
| Echocardiogram | ||||
| TV LW A′ (mm/s) | 0.0005 | 0.4890 | 0.3972 | 0.0899 |
| TV LW E′ (mm/s) | 0.0008 | 0.4858 | 0.0857 | 0.2867 |
| TV LW E′/A′ | 0.0060 | 0.4611 | 0.1685 | 0.2094 |
| MV E/A | 0.0015 | 0.4707 | 0.1612 | 0.2150 |
| LV mass | 0.4898 | 0.0608 | 0.9224 | 0.0012 |
| LA dimension | 0.2507 | 0.1558 | 0.0643 | 0.3139 |
| Histology | ||||
| Interstitial fibrosis (%) | 0.8864 | 0.0292 | 0.3864 | 0.1892 |
| Perivascular fibrosis (%) | 0.3057 | 0.2235 | 0.7516 | 0.0665 |
TV LW A′, peak velocity of diastolic mitral annular motion as determined by pulsed wave Doppler; TV LW E′, peak velocity of early diastolic mitral annular motion as determined by pulsed wave Doppler; TV LW E′/A′, ratio of E′ to A′; LV mass, left ventricle mass; MV E/A, mitral inflow velocity ratio of E to A; LA dimension, left atrium dimension.