Correspondence on "Lipoprotein(a) has no major impact on calcification activity in patients with mild to moderate aortic valve stenosis" by Kaiser et al

Response to: Correspondence on "Lipoprotein(a) has no major impact on calcification activity in patients with mild to moderate aortic valve stenosis" by Pantelidis et al

“…Pantelidis1 raises several points regarding our manuscript ‘Lipoprotein(a) has no major impact on calcification activity in patients with mild to moderate aortic valve stenosis’. 2 He states that our study results should be interpreted with caution, due to (1) selection bias, (2) the absence of follow-up data and (3) a small sample size.…”