Table 1.
Patient demographics and texture parameters
| Variables | All (n = 88) | Survivors (n = 63) | Deaths (n = 25) | P-value |
|---|---|---|---|---|
|
| ||||
| Age(year) | 54.7±15.9 | 53.8±16.3 | 57.1±15.0 | 0.313 |
| Male (n, %) | 69(78.4) | 51(81.0) | 18(72.0) | 0.357 |
| Hypertension (n, %) | 34(38.6) | 28(44.4) | 6(24.0) | 0.076 |
| Diabetes (n, %) | 17(19.3) | 14(22.2) | 3(12.0) | 0.273 |
| CLBBB (n, %) | 21(30.9) | 16(25.4) | 5(25.0) | 0.592 |
| QRS duration (ms) | 124.5±34.0 | 121.5±34.0 | 131.4±38.5 | 0.281 |
| NS-VT (n, %) | 41(50.6) | 25(44.6) | 16(64) | 0.107 |
| NS-VT (number of frequency) | 8.01±22.51 | 5.41±17.69 | 14.56±31.08 | 0.001 |
| NT-proBNP | 2731.8±3696.8 | 2196.8±2279.7 | 4393.1±6153.4 | 0.021 |
| NYHA cIass(I/II/III) | 20/25/43 | 18/20/25 | 2/5/18 | 0.005 |
| Medication | ||||
| β-blockers | 85(96.6%) | 61(96.8%) | 24(96.0%) | 1.000 |
| Diuretics | 73(83.0%) | 51(81.0%) | 22(88.0%) | 0.632 |
| Digoxin | 17(19.3%) | 9(14.3%) | 8(32.0%) | 0.110 |
| RAS bIockers | 81(92.0%) | 58(95.2%) | 21(84.0%) | 0.187 |
| LV parameters | ||||
| EDV (mm) | 264.42±108.74 | 238.48±92.64 | 329.80±120.31 | 0.0003 |
| ESV | 204.95±102.47 | 179.48±88.03 | 269.16±109.75 | 0.0001 |
| LVEF (%) | 25.19±10.50 | 27.33±10.96 | 19.80±6.86 | 0.002 |
| TPD (%) | 10.65±9.17 | 8.33±6.96 | 16.48±11.42 | 0.0006 |
| Reduced wall thickening (%) | 17.7±13.0 | 14.2±11.2 | 26.6±13.1 | 0.000 |
| Texture parameters | ||||
| SUV mean | 139.17±16.54 | 142.48±14.96 | 130.82±17.67 | 0.002 |
| Num of voxels | 760.0(600.0, 920.0) | 760.0(600.0, 920.0) | 800.0(600.0, 800.0) | 0.094 |
| SD hist | 12.175±1.085 | 11.941±1.051 | 12.764±0.953 | 0.001 |
| Skewness | −0.196±0.471 | −0.252±0.466 | −0.054±0.462 | 0.074 |
| Kurtosis | 0.047(−0.818, 3.296) | 0.131(−0.818, 3.296) | −0.238(−0.805, 1.404) | 0.026 |
| Energy Hist | 0.029(0.022, 0.044) | 0.029(0.024, 0.044) | 0.026(0.022, 0.032) | 0.005 |
| Entropy Hist | 3.766±0.102 | 3.743±0.100 | 3.823±0.0835 | 0.001 |
| Correlation GLCM | 0.842(0.684, 0.908) | 0.834(0.834, 0.908) | 0.862(0.711, 0.904) | 0.001 |
| SRE | 0.0978±0.00034 | 0.0977±0.00032 | 0.0980±0.00030 | 0.001 |
| LRE | 1.096±0.016 | 1.100±0.015 | 1.087±0.014 | 0.0004 |
| LGLE | 0.0079(0.0040, 0.0252) | 0.0076(0.0040, 0.0167) | 0.0096(0.0049, 0.0252) | 0.006 |
| HGLE | 1472.15±266.61 | 1523.51±246.61 | 1342.73±276.01 | 0.004 |
| SRLGE | 0.0077(0.0040, 0.0230) | 0.0074(0.0040, 0.0162) | 0.0091(0.0049, 0.0230) | 0.007 |
| SRHGE | 1439.04±257.14 | 1487.90±238.10 | 1315.89±266.80 | 0.004 |
| LRLGE | 0.009(0.0040, 0.0342) | 0.0083(0.0040, 0.0217) | 0.0110(0.0050, 0.0342) | 0.003 |
| LRHGE | 1615.84±308.85 | 1678.38±284.53 | 1458.23±317.02 | 0.002 |
| RLNU | 466.41(265.77, 656.69) | 443.21(265.77, 621.31) | 499.58(375.43, 656.69) | 0.001 |
| RP | 0.9705±0.0045 | 0.9695±0.0043 | 0.9731±0.0041 | 0.0005 |
| SZE | 0.0768±0.0030 | 0.0761±0.0029 | 0.0785±0.0027 | 0.001 |
| LZE | 3.26±0.59 | 3.38±0.59 | 2.95±0.46 | 0.002 |
| SZLGE | 0.000086(0.000075, 0.000111) | 0.000085(0.000075, 0.000099) | 0.000087(0.000077, 0.000111) | 0.025 |
| LZLGE | 0.0004(0.0003, 0.0006) | 0.004(0.0003, 0.0006) | 0.0003(0.0003, 0.000506) | 0.063 |
| LZHGE | 31525.15±6415.47 | 33004.91±6250.19 | 27796.15±5296.05 | 0.0004 |
| GLNUz | 7.97±1.46 | 7.68±1.3 | 8.71±1.52 | 0.002 |
| ZLNU | 187.22±45.15 | 173.19±37.64 | 222.56±43.72 | 0.00001 |
| ZP | 0.676±0.039 | 0.666±0.036 | 0.699±0.037 | 0.0002 |
| Coarseness NGLDM | 0.052±0.008 | 0.053±0.008 | 0.048±0.007 | 0.008 |
| Contrast NGLDM | 0.148±0.036 | 0.142±0.034 | 0.163±0.037 | 0.014 |
| Busyness NGLDM | 0.010(0.005, 0.026) | 0.010(0.005, 0.015) | 0.012(0.007, 0.026) | 0.001 |
Data are expressed as mean ± SD, median, or number (percentage)
NT-proBNP N-terminal pro-brain natriuretic peptide, NS-VT non-sustained ventricular tachycardia, PVC premature ventricular contraction, CLBBB complete left bundle branch block, NYHA New York Heart Association, EDV end-diastolic volume, ESV end-systolic volume, RAS blockers renin-angiotensin system blockers, SD Hist standard deviation histogram, GLCM gray-level cooccurrence matrix, NGLDM neighborhood gray-level difference matrix, SRE short-run emphasis, LRE long-run emphasis, LGLE low gray-level emphasis, HGLE high gray-level emphasis, SRLGE short-run low gray-level emphasis, SRHGE short-run high gray-level emphasis, LRLGE long-run low gray-level emphasis, LRHGE long-run high gray-level emphasis, GLNU gray-level non-uniformity for run, RLNU run-length non-uniformity, RP run percentage. SZE short-zone emphasis, LZE long-zone emphasis, SZLGE short-zone low gray-level emphasis, LZLGE long-zone low gray-level emphasis, LZHGE long-zone high gray-level emphasis, GLNUz gray-level non-uniformity for zone, ZLNU zone length non-uniformity, ZP zone percentage