1. Ti o pẹ: ni a le rii ni hemophilia A, hemophilia B, arun ẹdọ, iṣọn-ara sterilization intestinal, anticoagulants oral, diffuse intravascular coagulation, hemophilia ìwọnba;FXI, aipe FXII;Ẹjẹ Awọn nkan Anticoagulant (awọn inhibitors ifosiwewe coagulation, lupus anticoagulants, warfarin tabi heparin) pọ si;ọ̀pọ̀lọpọ̀ ẹ̀jẹ̀ tí a fi pamọ́ ni a fi sílẹ̀.
2. Shorten: O le rii ni ipo hypercoagulable, awọn arun thromboembolic, ati bẹbẹ lọ.
Reference ibiti o ti deede iye
Iwọn itọkasi deede ti akoko thromboplastin apakan ti a mu ṣiṣẹ (APTT): 27-45 awọn aaya.