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Table 1 Demographics and clinical characteristics of study population

From: Endocervical curettage for diagnosing high-grade squamous intraepithelial lesions or worse in women with type 3 transformation zone lesions: a retrospective, observational study

Characteristics

N

%

Total

1905

100

Age (years)

  < 30

152

8.0

 30–39

536

28.1

 40–49

586

30.8

  > 50

631

33.1

Gravidity

 0

100

5.2

 1–3

1369

71.9

  > 3

436

22.9

Parity

 0

173

9.1

 1–2

1527

80.1

  > 2

205

10.8

Menopause

 No

1340

70.3

 Yes

565

29.7

Cytology

 NILM

619

32.5

 ASC-US

654

34.3

 LSIL

336

17.7

 ASC-H

120

6.3

 HSIL

176

9.2

HPV status

 Negative

160

8.4

 Non-16/18 hrHPV

1099

57.7

 HPV16/18

646

33.9

Colposcopic impressions

 Normal/benign

381

20.0

 Low-grade

1171

61.5

 High-grade

353

18.5

Size of lesion

  < 1/3

460

24.2

 1/3–2/3

1351

70.9

  > 2/3

94

4.9

ECC

  <HSIL

1748

91.8

 HSIL+ 

157

8.2

Biopsy

 <HSIL

1529

80.3

 HSIL+ 

376

19.7

  1. Abbreviations: NILM negative for intraepithelial lesion or malignancy, ASC-US atypical squamous cells of undetermined significance, LSIL low-grade squamous intraepithelial lesion, ASC-H atypical squamous cells which did not exclude high grade squamous intraepithelial lesion, HSIL high-grade squamous intraepithelial lesion, hr-HPV high-risk human papillomavirus, <HSIL included normal and LSIL HSIL+ included HSIL and invasive cancers, ECC endocervical curettage