Journal of Cardiothoracic Surgery

Table 3 Cox Regression Analysis of Preoperative Pectoral Mass Variables on Mortality

From: Pectoral muscle mass is not a robust prognostic factor for survival after left ventricular assist device (LVAD) implantation

	1-Year Mortality			3-Year Mortality
Variable	B	SE	p-value	B	SE	p-value
Univariate Analysis
PMI	0.100	0.176	0.57	0.046	0.176	0.80
Pectoralis Major area	0.038	0.072	0.60	0.021	0.073	0.77
Pectoralis Minor area	0.062	0.175	0.72	0.025	0.171	0.88
HU Pectoralis Major	− 0.021	0.019	0.27	− 0.014	0.019	0.45
HU Pectoralis Minor	− 0.021	0.018	0.23	− 0.021	0.018	0.24
Multivariate Analysis
PMI	0.163	0.208	0.43	0.123	0.214	0.57
Age	0.039	0.031	0.21	0.069	0.035	0.045
Sex	− 1.387	1.193	0.25	− 0.295	1.062	0.78
Underlying disease	0.026	0.698	0.97	− 0.240	0.699	0.73
Preoperative ECMO	− 1.265	0.898	0.16	− 0.370	0.880	0.67
Pectoralis major area	0.067	0.092	0.47	0.070	0.096	0.47
Age	0.040	0.031	0.21	0.070	0.035	0.042
Sex	− 1.255	1.253	0.32	− 0.096	1.140	0.93
Underlying disease	0.059	0.700	0.93	− 0.200	0.701	0.78
Preoperative ECMO	− 1.268	0.900	0.16	− 0.428	0.889	0.63
Pectoralis minor area	0.134	0.200	0.50	0.060	0.198	0.76
Age	0.038	0.032	0.23	0.069	0.035	0.049
Sex	− 1.519	1.170	0.19	− 0.404	1.037	0.70
Underlying disease	0.013	0.696	0.99	− 0.249	0.699	0.72
Preoperative ECMO	− 1.285	0.907	0.16	− 0.310	0.874	0.72
Pectoralis major HU	− 0.028	0.021	0.18	− 0.021	0.021	0.31
Age	0.045	0.034	0.19	0.074	0.037	0.04
Sex	− 1.805	1.188	0.13	− 0.603	1.053	0.57
Underlying disease	− 0.277	0.749	0.71	− 0.471	0.749	0.53
Preoperative ECMO	− 1.178	0.899	0.19	− 0.312	0.867	0.72
Pectoralis minor HU	− 0.026	0.020	0.19	− 0.020	0.019	0.28
Age	0.036	0.032	0.27	0.067	0.036	0.06
Sex	− 1.826	1.206	0.13	− 0.636	1.077	0.56
Underlying disease	− 0.105	0.725	0.88	− 0.376	0.731	0.61
Preoperative ECMO	− 1.290	0.908	0.16	− 0.335	0.873	0.70

Cox Regression Analysis of Preoperative Pectoral Mass Variables on Mortality
B Beta coefficient (Regressions-coefficient), SE Standard error, PMI Pectoral muscle index, HU Hounsfield unit, ECMO Extracorporeal membrane oxygenation

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ISSN: 1749-8090

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