Table 1 Baseline characteristics of subjects randomized to immediate intervention (Group 1) and delayed intervention (Group 2)
| Â | Immediate intervention | Delayed intervention (Control) | Difference between |
|---|---|---|---|
| Â | Group 1 | Group 2 | groups at baseline |
Characteristic | (n) Mean±SD (Range) | (n) Mean±SD (Range) | p-value |
Age | (56) 80.8±4.7 (73–90) | (61) 78.3±4.1 (71–88) | .003 |
Male (age) | (25) 81.9±4.8 (75–90) | (29) 79.0±4.3 (71–88) | .024 |
Female (age) | (31) 79.9±4.6 (73–89) | (32) 77.8±3.8 (72–85) | .045 |
Physical performance | Â | Â | Â |
SPPB (points) | (56) 10.1±1.5 (7–12) | (61) 10.0±1.3 (7–12) | .168 |
Balance (points) | (56) 3.3±0.8 (2–4) | (61) 3.2±0.9 (1–4) | .167 |
Walk (seconds) | (56) 3.7±0.9 (2.3–8.4) | (61) 3.6±0.5 (2.7–4.9) | .549 |
Chair (seconds) | (56) 12.8±2.5 (7.7–18.0) | (61) 13.2±2.6 (8.4–20.0) | .177 |
8 foot up-and-go (seconds) | (56) 6.4±1.4 (4.4–13.2) | (61) 6.5±1.1 (4.4–9.7) | .217 |
Strength performance | Â | Â | Â |
Knee extension (Newton) | (56) 328.4±96.3 (127.1–547.5) | (61) 330.9±92.5 (150.0–585.9) | .340 |
Hand grip (Newton) | (56) 311.0±96.8 (168.4–567.0) | (61) 341.9±108.4 (132.9–619.4) | .193 |
Endurance performance | Â | Â | Â |
Six min walking (meter) | (56) 450.0±84.0 (255.0–656.0) | (61) 459.8±64.8 (300.0–612.0) | .592 |
Physical activity (cpm) | (39) 258.8±122.9 (100.0–589.0) | (44) 253.9±101.8 (106.0–537.0) | .275 |
BMI (kg/m2) | (56) 27.6±5.3 (20.6–45.9) | (61) 27.4±3.4 (20.1–36.3) | .406 |
Icelandic Quality of Life (points) | (54) 55.7±5.5 (40–64) | (57) 55.9±5.1 (38–63) | .574 |