Table 3 Incidence for specific cancer types after diagnosis of dermatomyositis and polymyositis

Nasopharynx

30

0.21

139.94 (137.79 to 148.06)

2

0.16

12.71 (10.83 to 14.36)

Lung^c

22

1.07

20.58 (19.71 to 21.44)

5

0.93

5.38 (4.92 to 5.87)

Breast

9

2.55

3.53 (3.30 to 3.77)

3

1.80

1.67 (1.48 to 1.87)

Uterus

0

-

-

1

0.14

7.13 (5.81 to 8.69)

Uterine cervix

3

0.91

3.28 (2.93 to 3.68)

1

0.70

1.44 (1.16 to 1.74)

Ovary^c

2

0.38

5.33 (4.56 to 6.05)

0

-

-

Lymphoma/leukemia

4

0.16

24.70 (22.61 to 27.57)

1

0.13

7.78 (6.26 to 9.36)

Oropharynx and larynx

1

0.13

7.46 (6.26 to 9.36)

0

-

-

Esophagus

1

0.33

3.06 (2.47 to 3.69)

0

-

-

Liver/gall bladder

5

1.38

3.62 (3.31 to 3.96)

4

1.20

3.34 (3.01 to 3.68)

Colorectum

5

1.21

4.12 (3.78 to 4.51)

5

1.06

4.70 (4.31 to 5.15)

Stomach

1

0.97

1.03 (0.84 to 1.25)

0

-

-

Pancreas

1

0.33

3.04 (2.47 to 3.69)

1

0.29

3.44 (2.81 to 4.19)

Kidney

3

0.51

5.93 (5.24 to 6.59)

1

0.45

2.22 (1.81 to 2.70)

Urinary bladder

2

0.49

4.05 (3.54 to 4.69)

2

0.44

4.59 (3.94 to 5.22)

Melanoma

1

0.23

4.33 (3.54 to 5.29)-

2

0.20

9.76 (8.66 to 11.49)

Bone/joint

1

0.07

14.87 (11.62 to 17.38)

2

0.05

39.64 (34.65 to 45.94)

Brain

0

-

-

2

0.11

18.21 (15.75 to 20.88)

Thyroid

2

0.45

4.49 (3.85 to 5.10)

1

0.32

3.12 (2.54 to 3.80)

Metastatic cancers^c

2

0.56

3.57 (3.09 to 4.10)

0

-

-