TABLE 2.
Means for cardiac magnetic resonance imaging variables for men and women at baseline in the Multi-Ethnic Study of Atherosclerosis (MESA) from 2000 to 2002
|
Men |
Women |
|||||||
|---|---|---|---|---|---|---|---|---|
| Complete case (n=2382) | Multiple imputation 1 (n=831) | Multiple imputation 2 (n=831) | Multiple imputation 3 (n=831) | Complete case (n=2622) | Multiple imputation 1 (n=979) | Multiple imputation 2 (n=979) | Multiple imputation 3 – pooled (n=979) | |
| LV mass, g | 168.8 | 175.6 | 176.3 | 173.9 | 123.8 | 130.9 | 130.0 | 131.5 |
| LV end-diastolic volume, mL | 140.3 | 140.8 | 141.4 | 140.9 | 113.9 | 116.1 | 115.6 | 116.4 |
| LV stroke volume, mL | 92.7 | 92.6 | 92.8 | 92.9 | 80.8 | 82.5 | 81.9 | 82.7 |
| LV ejection fraction, % | 66.6 | 66.3 | 66.2 | 66.5 | 71.3 | 71.4 | 71.2 | 71.4 |
| Cardiac output, L/min | 5.97 | 6.00 | 6.09 | 6.04 | 5.45 | 5.56 | 5.61 | 5.60 |
Comparison between complete case analysis and three examples of multiple imputation (1 – model variables only; 2 – model variables, subclinical disease measures and medication information; 3 – pooling the men and women into the same imputation model). LV Left ventricular