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Table 2 Distribution of the HPV type by assay

From: Comparison of the AmpFire® Multiplex HPV Assay to the Xpert® HPV Assay for detection of human papillomavirus and cervical disease in women with human immunodeficiency virus: a pragmatic performance evaluation

Xperta HPV (n = 34)

AmpFireb HPV (n = 37)

Comments regarding discordance

HPV genotype

Frequencyc

HPV genotype

Frequencyc

HPV 16 only

4

HPV 16

3

1 Xpert HPV16 positive was AmpFire HPV 18,59 positive

HPV 18/45

8

HPV 18

5

1 Xpert 18/45 positive was AmpFire HPV33 positive only

1 Xpert 18/45 positive was AmpFire 18 + 45 positive

1 Xpert 16 + other positive was AmpFire 16 + 18 + 35 positive

1 Xpert other high-risk positive AmpFire HPV18 + 35 + 68 positive

HPV 45

6

1 Xpert negative was AmpFire HPV45 + 68 positive

Other HPV

26

HPV 31

2

3 Xpert other high-risk positive were AmpFire negative

HPV 33

7

 

HPV 35

4

1 Xpert negative was AmpFire positive

HPV 39

2

 

HPV 51

0

 

HPV 52

10

2 Xpert negative were AmpFire positive

HPV 53

0

 

HPV 56

1

 

HPV 58

2

1 Xpert negative was AmpFire positive

HPV 59

3

 

HPV 66

0

 

HPV 68

8

1 Xpert negative was AmpFire positive

  1. aXpert® HPV Assay (Xpert, Cepheid, Sunnyvale, CA)
  2. bAtila AmpFire® Multiplex HPV Assay (AmpFire) produced by Atila BioSystems (Mountain View, CA)
  3. cSome co-infections included so individual samples may be represented multiple times by the different HPV genotypes detected