Prediction of event-free survival probability using the Cox proportional hazards regression model based on Lasso regression
Variable | Coefficients | z score | HR | 95%CI | P value |
Age | 0.043 | 4.167 | 1.044 | 0.023 to 0.063 | <0.001 |
Haemoglobin | −0.015 | −2.871 | 0.985 | −0.026 to −0.005 | 0.004 |
Urea | 0.074 | 3.947 | 1.077 | 0.037 to 0.111 | <0.001 |
Serum sodium | −0.074 | −5.694 | 0.929 | −0.1 to −0.049 | <0.001 |
ALT/AST ratio | 0.444 | 2.439 | 1.559 | 0.087 to 0.8 | 0.015 |
NT-proBNP | 0 | 2.094 | 1 | 0, 0 | 0.036 |
Left atrial diameter | 0.076 | 5.959 | 1.079 | 0.051 to 0.8 | <0.001 |
LVEF | −0.022 | −2.289 | 0.979 | −0.04 to −0.003 | 0.022 |
ALT, alanine transaminase; AST, aspartate transaminase; LVEF, left ventricular ejection fraction; NT-proBNP, N-terminal pro-B-type natriuretic peptide.