Natural anticoagulant deficiencies in Thais: A population-based study.

Introduction: In contrast to Caucasians, hereditary anticoagulant deficiencies are more common in Asians and mutations are heterogeneous among different countries. This study aimed to determine the prevalence and genetic basis of protein C and protein S deficiencies in Thai population.

Methods: Healthy volunteers were tested for protein C activity and free protein S antigen.