Table 4.

Degree of concordance by NHYA score between CARPEDIEM algorithm and external standard.

NYHA score	Cohen’s Kappa	Strength of agreement	CARPEDIEM algorithm, number of cases (number of patients)a
I—Cardiac disease, but no symptoms and no limitation	0.15	Poor	17 (22)
II—Mild symptoms and slight limitation during ordinary activity	0.57*	Moderate	84 (94)
III—Marked limitation in activity due to symptoms, even during less than ordinary activity	0.57*	Moderate	85 (98)
IV—Severe limitations	0.67*	Good	14 (16)

^aLimited to 200 patients with heart failure clinically validated and New York Heart Association score ≥1.

*p < 0.05.