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Table 1 The incidence of PAD was compared between COPD groups and non-COPD group

From: Ultrasonic AccV: a potential indicator of peripheral arteriosclerosis in patients with chronic obstructive pulmonary disease

Variable

PAD

non-PAD

n

Morbidity(%)

χ2

p

non-COPD group

7

36

43

16.3

  

COPD Grade I

2

9

11

18.2

0.023

0.880#

COPD Grade II

8

31

39

20.5

0.245

0.620#

COPD Grade III

4

12

16

25

0.585

0.444#

COPD Grade IV

3

0

3

100

11.553

0.001*

COPD group

17

52

69

24.6

1.099

0.294

  1. *compared with non-COPD group p < 0.05, # compared with COPD grade IV group p < 0.05
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BMC Pulmonary Medicine

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