Figure 1

Kaplan–Meier survival curve of cumulative survival at 1-year follow-up for whole study population (log-rank test, P = 0.008). (group 1, hypertension with Hcy ≥ 15 µmol/L; group 2, hypertension with Hcy < 15 µmol/L; group 3, no-hypertension with Hcy ≥ 15 µmol/L; group 4, no-hypertension with Hcy < 15 µmol/L).