Ko te INR mō te toto totoka e kiia ana ko te PT-INR i roto i te rongoā, ko te PT te wā prothrombin, ā, ko te INR te ōwehenga paerewa o te ao. Ko te PT-INR he tūemi whakamātautau taiwhanga, ā, ko tētahi o ngā tohu mō te whakamātautau i te mahi toto totoka, he mea nui tēnei i roto i te mahi haumanu.

Ko te awhe noa o te PT he 11s-15s mō ngā pakeke, ā, 2s-3s mō ngā pēpi hou. Ko te awhe noa o te PT-INR mō ngā pakeke he 0.8-1.3. Mena ka whakamahia ngā rongoā ārai toto, pērā i ngā papa warfarin konutai, me whakahaere te awhe o te PT-INR i te 2.0-3.0 kia tutuki ai he pānga ārai toto whai hua. Ko ngā papa warfarin konutai he rongoā ārai toto haumanu e whakamahia whānuitia ana mō te rongoā i te thrombosis uaua hohonu, i te mate thrombotic rānei i puta mai i te atrial fibrillation, te mate valvular, te pulmonary embolism, me ētahi atu. He tohu nui te PT-INR hei aromatawai i te mahi toto toto i roto i te tinana, ā, koinei hoki te pūtake mō ngā tākuta ki te whakarerekē i te horopeta o ngā papa warfarin konutai. Mena he teitei rawa te PT-INR, he tohu tēnei kei te piki ake te mōrearea o te toto. Mena he iti rawa te taumata PT-INR, tera pea he tohu tēnei kei te mōrearea o te toto totoka.

I te whakamātautau i te PT-INR, he mea nui te tango toto uaua. Kāore he whakaritenga nohopuku mō tēnei tikanga, ā, kāore e hiahiatia ana e ngā tūroro te māharahara mēnā ka taea e rātou te kai, kāore rānei. I muri i te tango toto, me whakamahi he miro miro parakore hei whakamutu i te toto, kia kore ai e nui rawa te PT-INR, ka puta he maru i raro i te kiri mēnā kāore i te pai te toto toto.