TNNT2 and obstructive sleep apnea syndrome: Both hs-cTnT (14.2 (9.1–20.2) versus 6.5 (5.6–8.7) pg/mL, p < 0.001) and NT-proBNP (93.1 (37.9–182.5) versus 19.2 (8.3–35.4) pg/mL, p < 0.001) serum levels were increased in OS patients compared with OSA subjects (Figure 1 and Figure 2).