Fig. 1

Prevalence of high blood pressure, central obesity, hyperglycemia, and hyperlipidemia in patients with oral cancer according to TNM stages. Descriptive statistics are presented as the percentages. a high blood pressure (SBP ≥ 130 mmHg; DBP ≥ 85 mmHg); b central obesity (waist ≥90 cm for male; ≥ 80 cm for female); (c) hyperglycemia (fasting glucose ≥5.55 mmol/L); d hyperlipidemia (TG ≥ 1.70 mmol/L; LDL-C ≥ 2.59 mmol/L; HDL-C ≤ 1.04 mmol/L for male and ≤ 1.30 mmol/L for female)