How To Calculate Inr
INR Calculator (International Normalized Ratio) Calculate your INR value based on prothrombin time (PT) and other factors to monitor blood clotting. Prothrombin Time (PT) in seconds Normal PT Range (laboratory mean) International Sensitivity Index (ISI) Select ISI value1.0 (Most common)1.11.21.31.41.51.61.71.81.92.0…