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Table 1 Characteristics of the participants

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

Indicator

Exercise group (n = 30)

Control group (n = 30)

p

Sex, n (%)

  

0.605

 Male

17 (56.7)

15 (50.0)

 

 Female

13 (43.3)

15 (50.0)

 

Age (years)

65.3 ± 13.4

67.6 ± 11.9

0.482

Educational level, n (%)

  

0.447

 Illiteracy

2 (6.7)

3 (10.0)

 

 Primary school

11 (36.7)

13 (43.3)

 

 Middle school

12 (40.0)

10 (33.3)

 

 Junior college or higher

5 (16.6)

4 (13.4)

 

Barthel activities of daily living (points)

80.3 ± 10.6

85.1 ± 11.6

0.094

n (%)

   

 100 points: independent

2 (6.7)

3 (10.0)

1.000

 75–95 points: slightly dependent

28 (93.3)

27 (90.0)

 

 50–70 points: moderately dependent

0

0

 

 25–45 points: highly dependent

0

0

 

 0–20 points: completely dependent

0

0

 

Comorbidities, n (%)

  

0.923

 Cardiovascular and cerebrovascular disease

9 (30.0)

8 (26.6)

 

 Respiratory system disease

6 (20.0)

5 (16.7)

 

 Diabetes

5 (16.7)

4 (13.3)

 

 Digestive system disease

4 (13.3)

3 (10.0)

 

 Nervous system disease

3 (10.0)

5 (16.7)

 

 Others

3 (10.0)

5 (16.7)

 

No. of the drugs(pills/capsules)

3.5 ± 0.5

3.2 ± 0.7

0.061

Hospital stay (weeks)

6.9 ± 0.7

7.1 ± 0.7

0.254

Duration of intervention after discharge (weeks)

4.1 ± 0.9

4.6 ± 0.8

0.033

Ratio of hospital stay/outside hospital stay

2.2 ± 0.7

2.3 ± 0.8

0.554