基于影像组学特征预测左室射血分数的可行性研究

刘启明, 卢启帆, 柴烨子, 姜萌, 卜军

Radiomics-based left ventricular ejection fraction prediction: a feasibility study

LIU Qiming, LU Qifan, CHAI Yezi, JIANG Meng, PU Jun

表1 LVH组与HC组的临床信息与CMR指标比较

Tab 1 Comparison of clinical data and CMR-derived parameters between the LVH group and HC group

Indicator Total (n=200) HC group (n=100) LVH group (n=100) P value Demographic information Age/year 53 (36, 62) 53 (36, 62) 53 (36, 63) 0.562 Male/n(%) 143 (71.5) 71 (71.0) 72 (72.0) 0.876 Weight/kg 72 (63, 80) 70±14 75 (65, 81) 0.014 Height/cm 170 (163, 175) 169±10 169±8 0.793 BMI/(kg·m-2) 24.7 (22.3, 27.1) 24.2±3.5 26.0±4.0 0.000 BSA/m2 1.80±0.22 1.77±0.22 1.84 (1.70, 1.94) 0.051 CMR parameter LVEF/% 65.1 (59.1, 70.2) 65.3±7.0 65.3 (55.2, 71.0) 0.336 LVEDV/mL 127.3 (107.1, 158.2) 125.7±34.7 134.8 (117.0, 167.8) 0.000 LVEDV/BSA/(mL·m-2) 101.7 (80.1, 135.5) 70.2±14.2 75.9 (65.2, 91.8) 0.000 LVEDM/g 72.2 (62.7, 83.7) 83.7±24.0 134.1 (105.5, 175.6) 0.000 LVEDM/BSA/(g·m-2) 55.5 (46.7, 71.9) 46.6±9.6 72.0 (59.5, 89.2) 0.000