Echocardiographic indices in narcology clinic subsample and the general population sample
| Outcome variables | Missing N | Narcology clinic, N=268 | General population sample, N=2345 | P value* |
| Means* (95% CI) | Means* (95% CI) | |||
| Left ventricular mass/h2.7, g/m2.7 | 16 | 45.58 (43.92 to 47.25) | 45.31 (44.51 to 46.11) | 0.728 |
| Left ventricular end-diastolic volume biplane/bsa, mL/m2 | 255 | 42.65 (41.13 to 44.16) | 41.6 (40.84 to 42.36) | 0.134 |
| Left ventricular end-diastolic diameter/bsa, cm/m2 | 16 | 2.87 (2.83 to 2.91) | 2.75 (2.73 to 2.77) | <0.001 |
| Left atrial systolic diameter/bsa, cm/m2 | 30 | 2.11 (2.08 to 2.14) | 2.01 (2.00 to 2.03) | <0.001 |
| Left ventricular ejection fraction biplane, % | 255 | 54.04 (53.15 to 54.94) | 55.94 (55.49 to 56.39) | <0.001 |
| Left atrial volume/bsa, mL/m2 | 52 | 25.88 (24.86 to 26.9) | 25.56 (25.07 to 26.06) | 0.506 |
| Peak early diastolic mitral annulus velocity (average e′), (cm/s) | 99 | 10.20 (9.88 to 10.53) | 10.54 (10.38 to 10.70) | 0.026 |
| E/e′ | 138 | 6.84 (6.53 to 7.16) | 6.97 (6.82 to 7.13) | 0.383 |
*Adjusted for age, sex, operator, reader.
bsa, body surface area.