Stepwise multiple regression analysis comparing the correlation between individual variables and plasma adrenomedullin concentration
| Variable | Regression coefficient | p Value |
| RFP v non-RFP3-150 | 51.4 | 0.02 |
| E velocity | −0.15 | NS |
| A velocity | 0.82 | NS |
| E:A ratio | 46.9 | NS |
| Deceleration time of E | 0.11 | NS |
| Isovolumic relaxation time | 0.67 | NS |
| End diastolic dimension | 12.3 | NS |
| End systolic dimension | −1.6 | NS |
| Fractional shortening | 1.13 | NS |
| LVEF by M mode | −0.21 | NS |
| LVEF by Simpson's method | −0.81 | NS |
| Age | 0.41 | NS |
| Sex3-150 | 19.9 | NS |
| Heart rate | 0.55 | NS |
| NYHA class3-150 | 3.41 | NS |
| Daily diuretic consumption | NS |
↵3-150 Categorical variables.
A velocity, transmitral peak atrial filling velocity; E velocity, transmitral peak early filling velocity; E:A ratio, ratio of transmitral early to atrial peak filling velocity; LVEF, left ventricular ejection fraction; NYHA, New York Heart Association; PASP, pulmonary arterial systolic pressure; RFP, restrictive filling pattern of diastolic dysfunction.