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. 2020 Aug 7;17:11. doi: 10.1186/s11556-020-00243-9

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

Estimated means and 95% confidence intervals (95% CI) using linear mixed models (unadjusted model). a Between-group differences for transformed variables are presented as ratio of the geometric mean for RTG to the geometric mean for CG with corresponding 95% CI

RTG Resistance training group, CG Control group, MVC Maximal voluntary contraction, RFD Rate of force development, N Newton