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Table 2 SIRs of cancers in patients with type 2 diabetes by gender and subtype of disease

From: Increased risk of cancer in patients with type 2 diabetes mellitus: A retrospective cohort study in China

 

Male (N = 3795)

Female (N = 4155)

Cases

SIR†

95% CI*

Cases

 

SIR

95% CI

Observed

Expected

Low

Upper

Observed

Expected

Low

Upper

All cancers

194

145.8

1.331

1.143

1.518

172

99.0

1.737

1.478

1.997

Lung & bronchus

41

48.4

0.847

0.588

1.106

25

18.3

1.366

0.831

1.902

Kidney

9

2.2

4.091

1.418

6.764

6

1.5

4.00

0.799

7.201

Stomach

25

20.5

1.22

0.741

1.698

16

10.3

1.553

.792

2.315

Liver

32

20.8

1.538

1.005

2.072

16

11.0

1.455

0.742

2.167

Esophagus

6

12.6

0.476

0.095

0.857

3

3.5

0.857

0.0

1.827

Pancreas

22

7.4

2.973

1.731

4.215

18

6.7

2.687

1.445

3.928

Uterine cervix

     

4

2.4

1.667

0.033

3.30

Uterine corpus

     

5

2.8

1.786

0.22.0

3.351

Ovary

     

5

3.2

1.563

0.19.3

2.932

Breast

     

36

16.3

2.209

1.487

2.93

Leukemia

7

2.1

3.333

0.864

5.803

10

2.4

4.167

1.584

6.749

Prostate

12

6.4

1.875

0.814

2.936

     

Urinary bladder

4

5.7

0.702

0.014

1.389

1

1.5

0.667

0.0

1.973

  1. *95% CI, 95% confidence interval.
  2. †, Number of expected cancer incidence cases was calculated according to the age- and gender-incidence level of the general population in the surveillance region and the observed person-years in type 2 diabetes.
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BMC Public Health

ISSN: 1471-2458

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