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 |