Table 1: Agreement of INR measurements between CoaguChek XS Plus and STA-R.

CoaguChek XS Plus Total (%)   INR < 2 INR 2.0-3.0 INR > 3 STA-R          INR < 2 65 13 0 78 (66.1)  INR 2.0-3.0 1 31 6 38 (32.2)  INR > 3.0 0 1 1 2 (1.7) Total (%) 66 (55.9) 45 (38.1) 7 (5.9) 118

Kappa value was 0.679 (95% CI, 0.569–0.790).