Table 1 Summary of subjects
Measurement variables | Overall (n = 754) | Male (n = 276) | Female (n = 478) | P-value |
|---|---|---|---|---|
Clinical characteristics | ||||
 Age (years) | 72 (68, 77) | 73 (69, 77) | 72 (68, 77) | 0.08 |
 BMI (kg/m2)* | 22.7 (20.8, 24.4) | 23 (21.3, 24.9) | 22.2 (20.5, 24.3) | < 0.001 |
 SMI (kg/m2)* | 6.4 (5.8, 7.2) | 7.4 (6.9, 7.8) | 6 (5.6, 6.4) | < 0.001 |
Bone density statue | ||||
 SOS (m/s) * | 1488 (1474, 1504) | 1496 (1483, 1515.3) | 1484 (1470.8, 1497.3) | < 0.001 |
 YAM (%)* | 74 (68, 82) | 77 (71, 87.8) | 72 (66, 78) | < 0.001 |
 Osteoporosis | 260 (34.5) | 65 (23.6) | 195 (40.8) | < 0.001 |
 Decreased bone mass | 287(38.1) | 95 (34.4) | 192 (40.2) |  |
 Normal | 207 (27.5) | 116 (42) | 91 (19) |  |
Physical performance | ||||
 Walking speed (m/sec) | 1.5 (1.3, 1.6) | 1.4 (1.3, 1.6) | 1.5 (1.3, 1.6) | 0.57 |
 Knee extension force (N)* | 339.2(277, 427.4) | 457 (362, 523.5) | 301 (248.8, 357.9) | P < 0.001 |
 One-leg standing (sec) | 30 (11, 60) | 31.6 (10.7, 60) | 29.3 (11, 60) | 0.31 |
Oral function examinations | ||||
 Remaining teeth (0–32) | 23 (15, 27) | 23 (13, 27) | 23 (16, 27) | 0.78 |
 Occlusal force (kgf)* | 50.8 (26.1, 83.8) | 58.3 (29.7, 95.9) | 47.8 (24.3, 77.8) | 0.002 |
 Occlusal balance (%) | 19.5 (8.4, 38) | 20.4 (8.5, 38.1) | 18.6 (8.3, 37.9) | 0.25 |
 Masticatory function (score) | 5 (2, 6) | 5 (2, 6) | 4 (2, 6) | 0.17 |
 Tongue pressure (kPa) | 33.9 (28.2, 38.8) | 34 (28.8, 39.7) | 33.8 (27.6, 38.6) | 0.11 |
Occlusal support | ||||
 Group A | 364 (42.7) | 116 (41.3) | 248 (43.4) | 0.8 |
 Group B | 338 (39.6) | 106 (37.7) | 232 (40.6) |  |
 Group C | 151 (17.7) | 59 (21) | 92 (16.1) |  |