Prediction of biological age and all-cause mortality by 12-lead electrocardiogram in patients without structural heart disease

Table 3 CA and biological age estimated by three algorithms

	CA				BA				BA_E				BA_EC
	Mean	SD	Min	Max	Mean	SD	Min	Max	Mean	SD	Min	Max	Mean	SD	Min	Max
Total	55.50	15.04	20.00	90.00	53.76	21.15	−5.31	132.97	44.39	26.40	−66.21	202.17	48.03	21.84	−44.94	178.58
CA of 20–39 years	32.38	5.14	20.00	39.00	24.38	9.36	−5.31	76.49	26.39	19.92	−64.43	145.85	28.24	15.75	−44.94	124.70
CA of 40–59 years	50.00	5.63	40.00	59.00	46.31	10.78	11.64	96.54	41.09	23.84	−66.21	165.13	44.08	18.40	−43.60	143.33
CA of 60–74 years	66.46	4.16	60.00	74.00	68.00	10.32	37.62	118.56	52.78	25.72	−40.22	202.09	57.23	19.34	−20.19	174.76
CA ≥75 years	79.55	3.76	75.00	90.00	85.20	11.55	47.63	132.97	59.91	27.60	−3.65	202.17	66.31	20.25	22.44	178.58

Abbreviations: CA chronological age, BA biological age by principal component analysis method, BA_E biological age by the Klemera and Doubal’s method without adjustment for chronological age, BA_EC biological age by the Klemera and Doubal’s method with adjustment for chronological age, SD standard deviation

ISSN: 1471-2318