Table 3 Physical function, strength and body composition from baseline to four and eight months
| Outcome | Analyzed |
Baseline Mean (95% CI) | 4 months |
Between-group difference | 8 months | Between-group difference | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
RTG n |
CG n |
RTG Mean (95% CI) |
CG Mean (95% CI) |
Mean (95% CI) | p |
RTG Mean (95% CI) |
CG Mean (95% CI) |
Mean (95% CI) | p | ||
| Chair rise (s)a | 63 | 42 |
18.6 (17.0–20.2) |
16.7 (15.1–18.6) |
16.0 (14.0–18.2) |
1.05 (0.91–1.20) | 0.500 |
15.2 (13.5–17.2) |
18.6 (16.2–21.3) |
0.81 (0.70–0.96) | 0.010 |
| 8 ft-up-and-go (s)a | 63 | 41 |
14.1 (12.3–16.1) |
13.2 (11.5–15.0) |
13.8 (11.9–16.0) |
0.96 (0.87–1.05) | 0.350 |
13.0 (11.2–15.0) |
14.6 (12.5–16.9) |
0.89 (0.80–0.99) | 0.030 |
| Stair climb (s)a | 56 | 20 |
26.2 (22.2–30.9) |
23.8 (20.0–28.4) |
29.0 (23.3–36.2) |
0.82 (0.69–0.98) | 0.030 |
23.2 (19.3–27.9) |
30.5 (24.2–38.5) |
0.76 (0.62–0.93) | 0.007 |
| Preferred gait speed (m/s)a | 63 | 41 |
0.73 (0.67–0.79) |
0.75 (0.69–0.82) |
0.74 (0.66–0.81) |
0.01 (−0.04–0.07) | 0.600 |
0.77 (0.70–0.85) |
0.68 (0.60–0.76) |
0.09 (0.03–0.16) | 0.006 |
| Maximal gait speed (m/s)a | 63 | 41 |
1.01 (0.92–1.10) |
1.06 (0.96–1.15) |
0.97 (0.86–1.07) |
0.09 (0.02–0.16) | 0.010 |
1.04 (0.94–1.15) |
0.95 (0.85–1.06) |
0.09 (0.00–0.17) | 0.030 |
| Grip strength (kg) | 64 | 42 |
26.4 (24.7–28.0) |
26.5 (24.6–28.4) |
24.9 (22.7–27.0) |
1.2 (−0.5–3.7) | 0.134 |
22.7 (20.5–24.9) |
23.3 (21.0–25.5) |
−0.6 (−3.0–1.9) | 0.639 |
| Leg MVC (N) | 64 | 42 |
181 (166–195) |
195 (179–212) |
179 (160–198) | 16 (−2–34) | 0.074 |
201 (182–219) |
175 (155–194) | 26 (6–46) | 0.010 |
| Leg MVC relative (N/kg) | 63 | 42 |
2.6 (2.4–2.8) |
2.8 (2.6–3.0) |
2.6 (2.3–2.8) |
0.2 (−0.02–0.5) | 0.073 |
2.9 (2.7–3.1) |
2.5 (2.3–2.8) |
0.4 (0.1–0.7) | 0.005 |
| Leg RFD (N/s) | 64 | 42 |
431 (365–497) |
436 (356–517) |
337 (241–434) |
99 (−8–205) | 0.069 |
384 (292–476) |
383 (282–483) |
1 (− 118–120) | 0.982 |
| BMI (kg/m2)a | 63 | 43 |
26.4 (25.4–27.5) |
26.6 (25.5–27.7) |
26.5 (25.4–27.7) |
1.00 (0.98–1.02) | 0.890 |
26.3 (25.2–27.4) |
26.5 (25.3–27.6) |
0.99 (0.97–1.02) | 0.600 |
| Fat mass (%)a | 59 | 37 |
28.9 (26.6–31.4) |
28.9 (26.4–31.7) |
27.8 (25.0–30.9) |
1.04 (0.95–1.14) | 0.380 |
28.2 (25.5–31.2) |
29.7 (26.7–33.0) |
0.95 (0.86–1.05) | 0.310 |
| Fat free mass (kg)a | 59 | 35 |
47.2 (44.6–49.9) |
47.5 (44.9–50.3) |
47.1 (44.4–49.9) |
1.01 (0.99–1.03) | 0.390 |
46.8 (44.2–49.6) |
47.1 (44.4–49.9) |
0.99 (0.97–1.02) | 0.670 |
