Table 1.
Baseline characteristics of subjects randomized to immediate intervention (Group 1) and delayed intervention (Group 2)
| |
Immediate intervention |
Delayed intervention (Control) |
Difference between |
|---|---|---|---|
| |
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 |
|
|
|
| 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 |
|
|
|
| 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 |
|
|
|
| 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 |
Values are shown as numbers in groups (n), means with standard deviation (SD) and range.
SD = Standard deviation.
SPPB = Short physical performance battery.
cpm = Average counts per minute.
BMI = Body mass index.