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Table 2 Reporting characteristics of incident pregnancy-associated cancer identified in hospital data compared with cancer registry data

From: Using hospital discharge data to identify incident pregnancy-associated cancers: a validation study

Clinical group of cancer

Reporting characteristics of pregnancy-associated cancer

 
 

TP (N)

FP (N)

FN (N)

Sn (%)

95% CI (%)

PPV (%)

95% CI (%)

Melanoma

115

29

204

36.1

[30.8,41.6]

79.9

[72.4,86.1]

Breast

134

20

79

62.9

[56.0,69.4]

87.0

[80.7,91.9]

Thyroid and other endocrine

103

15

28

78.6

[70.6,85.3]

87.3

[79.9,92.7]

Gynaecological

70

15

20

77.8

[67.8,85.9]

82.4

[72.6,89.8]

Lymphohaematopoeitic

62

48

24

72.1

[61.4,81.2]

56.4

[46.6,65.8]

Colorectal

18

11

10

64.3

[44.1,81.4]

62.1

[42.3,79.3]

Neurological

20

4

2

90.9

[70.8,98.9]

83.3

[62.6,95.3]

Bone and other connective tissue

16

7

2

88.9

[65.3,98.6]

69.6

[47.1,86.8]

Head and Neck

9

2

4

69.2

[38.6,90.9]

81.8

[48.2,97.7]

Upper Gastrointestinal

15

5

3

83.3

[58.6,96.4]

75.0

[50.9,91.3]

Respiratory

6

3

0

100

[54.1,100 ]

66.7

[29.9,92.5]

Ill-defined and unknown primary sites

4

4

4

50.0

[15.7,84.3]

50.0

[15.7,84.3]

Urogenital

8

3

0

100

[63.1,100 ]

72.7

[39.0,94.0]

Any

580

166

380

60.4

[57.2,63.5]

77.7

[74.6,80.7]

  1. TP: True positive; FP: False positive; FN: False negative; Sn: Sensitivity; PPV: Positive predictive value; CI: Confidence interval.
  2. Note: The specificities and negative predictive values of all cancers ranged from 99.9% to 100%.