NPPB and cardiovascular disorder: This remained true for patients under 65 years of age and without pre-existing cardiovascular disease (hs-TnT (wt/Alpha: 6.1 ng/L, IQR 2.5–10.25 vs. Omicron: 8.6 ng/L, IQR 6.2–15.7; p = 0.007) and NT-proBNP (wt/Alpha: 63 ng/L, IQR 25–223.75 vs. Omicron: 158 ng/L, IQR 75.5–299.5; p = 0.006)).