To the Editor:
We thank Dr. Kawada1 for his interest in our study2 and acknowledge his comments, which we will try to address.
Regarding the first issue, the prevalence of ankle brachial index (ABI) > 1.4 in our cohort was low: 2.77% (6/216 patients). It is true that high ABI values, with a cutoff value ranging between 1.3 and 1.4, have been related with higher cardiovascular mortality. The Strong Heart Study …
Address correspondence to Dr. G. Ruiz-Irastorza, Unidad de Enfermedades Autoinmunes, Servicio de Medicina Interna, Hospital Universitario Cruces, 48903-Bizkaia, Spain. E-mail: r.irastorza{at}euskaltel.net