Comparison of International Normalized Ratio Measurement between CoaguChek XS Plus and STA-R Coagulation Analyzers

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).