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Table 2 Comparison of indicators between the two groups before and after the intervention

From: Effects of lower limb resistance exercise on muscle strength, physical fitness, and metabolism in pre-frail elderly patients: a randomized controlled trial

Group

Exercise group, n = 30

Control group, n = 30

Groups*Time

Time

Groups

F

P

F1

P1

F2

P2

Time

Before

After

Before

After

      

Quadriceps femoris muscle strength (kg)

5.76 ± 0.8

8.04 ± 0.96

6.11 ± 1.15

6.04 ± 0.92

58.172

<0.001

51.373

<0.001

18.112

<0.001

6-min walking test (m)

548.04 ± 74

653.18 ± 56.79

559.68 ± 67.05

548.8 ± 63.87

22.895

<0.001

15.113

<0.001

15.260

<0.001

30-s sit-to-stand test (times)

12.87 ± 3.31

17.21 ± 3.95

13.16 ± 4.1

13.43 ± 4.22

10.961

<0.001

14.035

<0.001

4.741

0.034

8-ft “up & go” test (s)

5.80 ± 0.83

4.71 ± 0.8

5.51 ± 0.49

5.29 ± 0.67

23.777

<0.001

53.186

<0.001

0.804

0.374

Daily activity energy expenditure (kcal)

225.85 ± 38.2

405.66 ± 47.01

218.21 ± 35.96

230.03 ± 40.17

132.717

<0.001

172.723

<0.001

148.759

<0.001

Metabolic equivalent

2.33 ± 0.29

4.51 ± 0.45

2.43 ± 0.36

2.56 ± 0.5

239.985

<0.001

305.844

<0.001

125.497

<0.001