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Table 1 Characteristics of included studies: all obtain biopsy for identification of CIN2+

From: Screening test accuracy of portable devices that can be used to perform colposcopy for detecting CIN2+ in low- and middle-income countries: a systematic review and meta-analysis

First author /publication year

Clinical setting

Index test

Procedure as described in manuscript

Age mean (SD)

Number of women receiving index test

Number of women receiving biopsy (%)

Number of women refusing biopsy

Biopsy indication

Person performing index test

Prior tests

Prevalence of CIN2+ n (%)

Funding

First-line test

 Newman 2019

Boashan, China

Gynocularâ„¢

Colposcopy traditional Use of green-filter not specified

44.3 **(6.7)

488

31 (6.3)

NR

Abnormal findings on colposcopy or abnormal cytology

Gynaecologists (1 of 2)

None

3/488* (0.6%)

Two devices were donated to the study

Mixed use: first-line test and add-on test

 Nessa 2014 Doctors

Dhaka, Bangladesh

Gynocularâ„¢

Colposcopy IARC guidelines

35.1 (8.1)

932

228 (24.5)

28

Women who had a Swede score of greater than 4

Gynaecologists or Colposcopy trained Physicians (1 of 6)

VIA (n = 528) OR no screening (n = 404)

39/932* (4.2%)

Two investigators were funded by the device manufacturer

 Nessa 2014 Nurses

Dhaka, Bangladesh

Gynocularâ„¢

Colposcopy IARC guidelines

35.1 (8.1)

932

228 (24.5)

28

Women who had a Swede score of greater than 4

Colposcopy trained nurses (1 of 2)

VIA (n = 528) OR no screening (n = 404)

39/932* (4.2%)

Two investigators were funded by the device manufacturer

Add-on test only

 Banerjee 2018

West Bengal, India

Gynocularâ„¢

Colposcopy IARC guidelines

39.2 **(7.4)

1021

1020 (99.9)

1

All women who had the index test

Gynaecologist (uncertain how many gynaecologists were performing the index test)

HPV AND /OR VIA (180 had VIA only)

36/1021 (3.5%)

No funding

 Kallner 2015

Stockholm, Sweden

Gynocularâ„¢

Colposcopy IARC guidelines

33.4 (9.9)

123

113 (92.0)

NR

Women who had a Swede score of greater than 0

Gynaecologist (1 of 6)

PAP smear AND HPV

44/123* (35.7%)

One investigator was funded by device manufacturer

 Mueller 2018

Lima, Peru

Pocket

Colposcopy Excluded green filter as not standard practice in Lima

37.1 *** (20–67)

129

81 (62.7)

NR

Abnormal findings on colposcopy

Physicians (1 of 4)

HPV OR PAP smear

22/129* (17.1%)

Two National Institutes of Health grants

  1. CIN2+, cervical intraepithelial neoplasia, grade two and above; Numbers in italics: calculated from data extracted; HPV, human papillomavirus; PAP smear, Papanicolaou smear test; VIA, visual inspection with acetic acid; IARC, International Agency for Research on Cancer; NR, not reported; SD, standard deviation
  2. *Prevalence is based on assumption that all Women without biopsy were free from CIN2+
  3. **SD approximated, based on data from age categories
  4. ***Age range, as reported in the pape