Table 1 The comparison of baseline characteristics between BHA and PFNA

Cases (n)

30

32

-

-

Gender (M/F)

9/21

5/27

1.830

0.230

Age(x ± s, years)

81.0 ± 9.1

79.9 ± 6.1

0.541

0.591

ASA grading

3

11

16

2.264

0.132

4

21

14

Evans-Jensen classification

3

5

5

2.246

0.884

4

8

7

5

17

20

Time from injury to operation(d)

5.06 ± 2.17

4.70 ± 1.17

0.766

0.447

Mean N of diseases per patient

2.47 ± 0.567

2.07 ± 0.907

2.107

0.039

Hypertension

15

11

0.663

0.416

Cardiovascular disease

19

12

2.325

0.127

Diabetes

8

8

0.022

0.881

Chronic pulmonary disease

16

14

0.069

0.793

Cerebrovascular disease

15

15

0.061

0.806

Neurological disease

6

2

2.246

0.156