Characteristic

Re-admission (AIC = 127.48)

Re-admission with 6-MWT distance as continuous variable (AIC = 123.29)

HR (95% CI)

P value

HR (95% CI)

P value

6-MWT distance ≤ 300 m

5.65 (2.15 - 14.88)

<0.001

0.98 (0.97 - 0.99)

<0.001

NYHA class (II/III)

3.04 (1.10 - 8.42)

0.03

3.12 (1.13 - 8.57)

0.026

Age (years)

1.04 (1.004 - 1.08)

0.03

1.04 (1.001 - 1.08)

0.053

LVEF

2.92 (1.13 - 7.52)

0.02

4.12 (1.55 - 10.98)

0.004

Ischemic heart disease

1.55 (0.51 - 4.68)

0.43

1.74 (0.57 - 5.25)

0.32