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Table 2 Distribution and statistical comparison of HPV18 lineages between the AA and E lineages

From: Fifteen new nucleotide substitutions in variants of human papillomavirus 18 in Korea

 

AA(n = 89)

E(n = 8)

P value

Age, years

 

46 (40–54)

58 (47–63)

0.344*

Cervical lesion, n

Grouping

   

 Normal

â‘ 

22 (24.7%)

3 (37.5%)

0.298†

 ASCUS

â‘¡

5 (5.6%)

2 (25.0%)

  LSIL/CIN1

â‘¢

34 (38.2%)

1 (12.5%)

 HSIL/CIN2&3

â‘£

17 (19.1%)

1 (12.5%)

 Cancer

⑤

11 (12.4%)

1 (12.5%)

Pathology and treatment, n

 Cancer

⑤

11 (12.4%)

1 (12.5%)

1.000‡

 Non-cancer

① + ② + ③ + ④

78 (87.6%)

7 (87.5%)

 Surgery

④ + ⑤

28 (31.5%)

2 (25.0%)

1.000‡

 Observation

① + ② + ③

61 (68.5%)

6 (75.0%)

 Definite dysplasia

③ + ④ + ⑤

62 (69.7%)

3 (37.5%)

0.110‡

 Normal and ASCUS

① + ②

27 (30.3%)

5 (62.5%)

Evidence of co-infection, n

 With other risk type(s)

21 (23.6%)

2 (25.0%)

1.000‡

 With other high-risk type(s)

16 (18.0%)

1 (12.5%)

1.000‡

§Serial follow-up testing (n = 54)

Progression (n)

 

n = 50

n = 4

 

  Progression

 

21 (42.0%)

1 (25.0%)

0.773‡

  No progression

 

29 (58.0%)

3 (75.0%)

  1. * Mann-Whitney test
  2. † Linear by linear association
  3. ‡ Fisher’s exact test
  4. § 54 out of 97 patients underwent serial pathological examinations
  5. Grouping: ① Normal, ② ASCUS, ③ LSIL/CIN1, ④ HSIL/CIN2 and 3, ⑤ Cancer
  6. Abbreviation: AA Asian-Amerindian; E European; ASCUS Atypical squamous cells of undetermined significance; LSIL Low-grade squamous intraepithelial lesion; HSIL High-grade squamous intraepithelial lesion; CIN Cervical intraepithelial neoplasia