Patient delay > 180 minutes compared with the group ≤ 180 minutes were less likely to have symptoms of sweating (63.6% versus 83.0%; p = 0.013), lower proportion of patients with blood pressure ≤ 90 mmHg (1.5% versus 14.0%, p = 0.005), lower proportion of patients with Killip ≥ II (9.1% versus 22.0%, p < 0. 05), higher Troponin T-hs concentration [0.036 (0.10 - 1.49 versus 0.06 (0.02 - 0.18); p < 0.001], lower blood sodium concentration [138.0 (135.0 - 139.0) versus 139.0 (136.0 - 140.0); p = 0.036], higher blood potassium concentration [3.8 (3.6 - 4.0) versus 3.6 (3.3 - 4.0); p = 0.011].