Category 1 (INR within range) Category 2 (INR within range) P value
UAT Approach  
Baseline (4.45 ± 2.00) After first follow up (4.21±1.75) 0.807
  After second follow up (4.45±2.00) 0
  After third follow up (4.21±1.75) 0.807
After first follow up After second follow up 0.807
  After third follow up 0
After second follow up After third follow up 0.807
PPAC Approach  
Baseline (0.99 ± 0.81) After first follow up (2.21±0.77) 0
  After second follow up (2.21±0.77) 0
  After third follow up (2.21±0.77) 0
  After second follow up 0
  After third follow up 0
After second follow up After third follow up 0
Table 3: Comparison of INR values within recommended range between UAT and PPAC approaches.