relevant factor

classification

Group A

Group B

χ2

P

Gender

Male

Female

28

10

4

8

4.813

0.028

Age

≥60

<60

28

10

3

9

7.225

0.007

Diabetes

With

Without

22

16

2

10

6.211

0.013

Hyperlipidemia

With

Without

30

15

5

7

4.31

0.036

Smoking

With

Without

27

11

3

9

6.255

0.012

Drinking

With

Without

19

19

8

4

1.020

0.313