Table 5 Correlation between Time to achieve stable INR and TTR.

From: Chinese stroke patients with atrial fibrillation used Robert's age-adjusted warfarin loading protocol obtained good INR results within therapeutic range

Time to achieve stable INR

TTR ≥ 65%

TTR < 65%

Ptrend

Not attaining stable INR (n = 8)

0

8

0.000a

D2 (n = 7)

7

0

0.079b

D3 (n = 38)

28

10

D4 (n = 18)

13

5

D5 (n = 9)

4

5

 ≥ D6 (n = 9)

6

3

  1. INR international normalized ratio, TTR time in therapeutic range.
  2. aComparison between the sub groups attaining stable INR and not attaining stable INR.
  3. bComparison within those achieving stable INR at different days.