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Table 5 Hierarchical ScreenFire positivity for self-collected compared to Xpert provider-collected specimens among women in Malawi

From: Comparison of the ScreenFire and Xpert HPV assays for the detection of human papillomavirus and cervical precancer among women living with HIV in Malawi

ScreenFire self-collected (hierarchical)

Xpert provider-collected, reference standard (hierarchical)

HPV 16

Else

HPV 18/45

Else

HPV 31/33/35/52/58

Else

HPV 51/59

Else

HPV 39/56/66/68

Else

HPV negative

Total

CIN2 + *

HPV 16

13

0

1

0

0

1

15

Else HPV 18/45

1

5

0

0

0

0

6

Else HPV 31/33/35/52/58

0

1

17

0

1

1

20

Else HPV 39/51/56/59/68

1

1

1

1

1

1

6

Else HPV negative

0

0

1

0

1

0

2

Total

15

7

20

1

3

3

49

< CIN2†

HPV 16

20

2

2

0

1

9

34

Else HPV 18/45

0

19

1

0

0

10

30

Else HPV 31/33/35/52/58

5

2

72

0

4

20

103

Else HPV 39/51/56/59/68

1

0

3

17

7

10

38

Else HPV negative

4

3

3

3

6

42

61

Total

30

26

81

20

18

91

266

  1. Italics are concordant HPV risk group results between the two assays
  2. *Includes 14 cervical intraepithelial neoplasia grade 2 (CIN2), 35 cervical intraepithelial neoplasia grade 3 (CIN3)
  3. †Includes 21 cervical intraepithelial neoplasia grade 1 (CIN1) and 245 with normal pathology