Age group (years) | 40–49 | 50–59 | 60–69 | 70–79 | 80 over | p value |
---|---|---|---|---|---|---|
Men | (n = 30) | (n = 46) | (n = 140) | (n = 124) | (n = 18) | Â |
 Stiffness index | 98.2 (14.6) | 89.6 (14.5) | 87.6 (15.6) | 83.2 (16.7) | 76.0 (12.2) | < 0.001 |
 SOS (m/sec) | 1569.1 (27.4) | 1551.5 (28.3) | 1545.8 (29.9) | 1541.5 (29.0) | 1529.3 (18.7) | < 0.001 |
 BUA (dB/MHz) | 118.4 (12.3) | 113.0 (12.3) | 112.3 (13.3) | 107.5 (14.5) | 101.8 (11.5) | < 0.001 |
Women | (n = 27) | (n = 87) | (n = 189) | (n = 178) | (n = 22) | Â |
 Stiffness index | 88.3 (14.5) | 78.1 (14.4) | 71.6 (12.8) | 64.0 (12.1) | 56.4 (8.5) | < 0.001 |
 SOS (m/sec) | 1550.1 (35.7) | 1539.6 (24.9) | 1527.8 (22.6) | 1516.0 (23.0) | 1504.6 (16.4) | < 0.001 |
 BUA (dB/MHz) | 111.6 (13.0) | 100.6 (13.4) | 95.8 (12.3) | 89.4 (11.1) | 82.6 (7.7) | < 0.001 |