Table 1 Comparison of the general condition of the two groups

Cases

25

25

Age (years)

72.16 ± 3.64

73.36 ± 3.25

1.230

0.225

Sex (M/F)

13/12

8/17

2.053

0.152

BMI

26.37 ± 6.49

27.10 ± 3.67

0.490

0.626

Lumbar BMD

0.745 ± 0.034

0.746 ± 0.045

0.035

0.972

T-score

− 2.82 ± 0.41

− 2.79 ± 0.49

0.251

0.803

Femoral neck BMD

0.592 ± 0.029

0.594 ± 0.027

0.255

0.800

T-score

− 2.23 ± 0.61

− 2.26 ± 0.58

0.191

0.849

Fracture history (Y/N)

24/1

22/3

0.272

0.602

Osteoarthritis history(Y/N)

15/10

19/6

0.827

0.363

Application of auxiliary devices (Y/N)

11/14

13/12

0.321

0.571

Current smoking (Y/N)

6/19

7/18

0.104

0.747

Alcohol consumption (Y/N)

3/22

5/20

0.149

0.700

Physical activity

 Low

10

12

1.070

0.586

 Moderate

8

9

 High

7

4

Diseases

 High blood pressure

6

5

 Diabetes

3

7

 Respiratory disease

5

3

0.368

0.544

 Heart disease

2

1

 Digestive system disease

2

0