Table 1.
Men | Women | P value* | |
---|---|---|---|
Age (years) | 64.6 (8.3) | 62.9 (8.4) | <0.0001 |
Height (m) | 1.74 (0.07) | 1.61 (0.07) | <0.0001 |
Weight (kg) | 81.2 (11.3) | 69.1 (11.7) | <0.0001 |
No (%) ever smoked | 1396/2123 (66) | 1000/2604 (38) | <0.0001 |
No (%) stopped menstruating | — | 1891/2552 (75) | — |
No (%) ever used hormone replacement therapy | — | 826/2584 (32) | — |
Ultrasound attenuation (dB/MHz) | 89.5 (17.5) | 71.4 (16.5) | <0.0001 |
Speed of sound (m/s) | 1645 (41) | 1624 (41) | <0.0001 |
Test for heterogeneity between men and women by analysis of variance for means or χ2 for proportions.