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. 2012 May 9;12:46. doi: 10.1186/1471-230X-12-46

Table 1.

Baseline characteristics of study subjects aged 25 years or older by diabetes status

Variable
Diabetes mellitus
 
 
No
Yes
P value
  n or mean % or SD nor mean % or SD  
n (%)
511519
85.05
89922
14.95
 
Age (years)
43.98
14.00
58.01
14.95
<0.0001
Sex (men, %)
253626
49.58
39950
44.43
<0.0001
Hypertension (%)
79292
15.50
50549
56.21
<0.0001
Chronic obstructive pulmonary disease (%)
105693
20.66
36273
40.34
<0.0001
Stroke (%)
24744
4.84
18484
20.56
<0.0001
Nephropathy (%)
24780
4.84
15971
17.76
<0.0001
Ischemic heart disease (%)
40465
7.91
28523
31.72
<0.0001
Peripheral arterial disease (%)
15732
3.08
12683
14.10
<0.0001
Eye disease (%)
1170
0.23
8763
9.75
<0.0001
Obesity (%)
4180
0.82
2410
2.68
<0.0001
Dyslipidemia (%)
51126
9.99
44973
50.01
<0.0001
Statin (%)
19608
3.83
24481
27.22
<0.0001
Fibrate (%)
16084
3.14
19053
21.19
<0.0001
Angiotensin-converting enzyme inhibitor/ Angiotensin receptor blocker (%)
6904
1.35
6638
7.38
<0.0001
Calcium channel blocker (%)
34889
6.82
18908
21.03
<0.0001
Occupation (%)
 
 
 
 
 
 I
282985
55.32
35103
39.04
<0.0001
 II
82588
16.15
17037
18.95
 
 III
61580
12.04
19708
21.92
 
 IV
84366
16.49
18074
20.10
 
Living region (%)
 
 
 
 
 
 Taipei
193494
37.83
31534
35.07
<0.0001
 Northern
74045
14.48
11182
12.44
 
 Central
91087
17.81
15664
17.42
 
 Southern
66785
13.06
14807
16.47
 
 Kao-Ping/Eastern
86108
16.83
16735
18.61
 
Panendoscopic examination in 2005
8211
1.61
2834
3.15
<0.0001
Panendoscopic examination in 1997-2005
37759
7.38
11762
13.08
<0.0001
Diabetic patients only
 
 
 
 
 
Sulfonylurea (%)
-
-
37211
41.38
 
Metformin (%)
-
-
33106
36.82
 
Insulin (%)
-
-
6010
6.68
 
Acarbose (%)
-
-
6968
7.75
 
Pioglitazone (%)
-
-
2329
2.59
 
Rosiglitazone (%) - - 6538 7.27  

Data are expressed as n (%) or mean (SD). *Occupation categories are explained in “Materials and Methods”.