Table 1.
Patient characteristics of the group who demonstrated low STS performance in both tests compared to the presence of either low 30 s-STS or 5r-STS performance
| All (n = 376) | Low STS both tests (n = 81, 21.5%) | Low 30 s-STS (n = 35, 9.3%) | p | Low 5r-STS (n = 37, 9.8%) | p | |
|---|---|---|---|---|---|---|
| Age (years), Mean (SD) | 79.8 (6.1) | 80.9 (6.6) | 80.9 (5.4) | 0.18 | 80.4 (4.8) | 0.64 |
| Sex—female, n (%) | 252 (67.0) | 60 (74.1) | 23 (65.7) | 0.20 | 23 (62.2) | 0.20 |
| BMI (kg/m2), Median (Q1;Q3) | 25.2 (23.0;28.4) | 26.3 (22.6;29.0) | 24.6 (22.7;28.1) | 0.26 | 24.3 (22.4;27.2) | 0.17 |
| Frailty (CFS ≥ 5), n (%) | 67 (19.4) | 33 (45.2) | 6 (18.2) | < 0.01 | 6 (17.7) | < 0.01 |
| Low HGSa, n (%) | 106 (28.6) | 32 (40.5) | 13 (37.1) | 0.84 | 9 (25.0) | 0.14 |
| Male, n (%) | 32 (26.2) | 10 (50.0) | 5 (41.7) | 3 (21.4) | ||
| Female, n (%) | 74 (29.7) | 22 (37.3) | 8 (34.8) | 6 (27.3) | ||
| Low SMIb, n (%) | 40 (11.3) | 10 (13.0) | 5 (16.7)α | 0.76 | 3 (8.1) | 0.54 |
| Male, n (%) | 10 (8.7) | 1 (5.3) | 1 (9.1) | 0 (0.0) | ||
| Female, n (%) | 30 (12.6) | 9 (15.5) | 4 (21.1) | 3 (13.0) | ||
| Low GS, n (%) | 43 (11.9) | 24 (31.2) | 5 (14.3) | 0.07 | 2 (2.7)β | < 0.01 |
| Self-reported falls during the past year, n (%) | 67 (19.4) | 68 (84.0) | 23 (65.7) | < 0.03 | 27 (73.0) | 0.13 |
Bold values indicate significant of p-values
30s-STS 30 s sit-to-stand, 5r-STS 5 repetitions sit-to-stand, BMI Body Mass Index, CFS Clinical Frailty Scale, GS gait speed, HGS Handgrip strength, SMI skeletal muscle index, STS sit-to-stand
an = 371 (male n = 122, female n = 249)
bn = 353 (male n = 115, female n = 238)
αn = 30, βn = 35