Measurement of biological age may help to assess the risk of colorectal adenoma in screening colonoscopy

Table 1 Baseline characteristics of the subjects

	All subjects (n = 2696)
	Chronological age	Biological age
Age [median (P25-P75), yr]	46.0 (39.0-54.0)	44.7 (38.2-53.1)
Gender
Male	1876	(69.6)
Female	820	(30.4)
High blood pressure
Yes (%)	544	(20.2)
No (%)	2152	(79.8)
Total cholesterol (mg/dL)	193.00	(172.00-217.75)
LDL cholesterol (mg/dL)	118.00	(99.00-141.00)
HDL cholesterol (mg/dL)	53.00	(45.0-64.00)
Triglyceride (mg/dL)	98.00	(66.00-152.00)
Fasting glucose (mg/dL)	85.00	(79.00-92.00)
HbA1c	5.40	(5.20-5.70)
CEA	1.55	(1.00-2.38)
Metabolic syndrome
Yes	218	(8.1)
No	2478	(91.9)

Data expressed as median (P₂₅-P₇₅), or absolute number (%). High blood pressure, ≥ 130/85 mmHg or documented use of antihypertensive therapy. LDL: Low-density lipoprotein; HDL: High-density lipoprotein; HbA1c: Hemoglobin A1c; CEA: Carcinoembryonic antigen.