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Table 3 Age distribution of different grade of cervical lesions (n = 3134)

From: Prevalence of human papillomavirus genotypes and precancerous cervical lesions in a screening population in Beijing, China: analysis of results from China’s top 3 hospital, 2009–2019

Age (years)

HSIL

LSIL

Normal

Total

n

%

n

%

n

%

n

%

< 20

1

0.10%

2

0.10%

0

0.00%

3

0.10%

20–34

448

25.70%

426

31.50%

6

17.10%

880

28.10%

35–49

867

49.70%

598

44.20%

15

42.90%

1480

47.20%

50–64

369

21.10%

299

22.10%

13

37.10%

681

21.70%

65–80

60

3.40%

29

2.10%

1

2.90%

90

2.90%

Total

1745

100%

1354

100%

35

100%

3134

100%

  1. The proportion of year between 35 and 49 in HSIL was significantly different from that of other age group, P < 0.01 (< 20, χ2 = 66.67; 20–34, χ2 = 12.22; 50–64, χ2 = 18.36; 65–80, χ2 = 56.71)
  2. The proportion of year between 35 and 49 in LSIL was significantly different from that of other age group, P < 0.01 (< 20, χ2 = 56.41; 50–64, χ2 = 10.95; 65–80, χ2 = 49.80) except for 20–34, χ2 = 3.242, P = 0.072 > 0.05
  3. The proportion of year between 35 and 49 in Normal is significantly different from that of other age group, P < 0.01 (20–34, χ2 = 16.10; 50–64, χ2 = 0. 75, P = 0.386; 65–80, χ2 = 45.17) except for 50–64, χ2 = 0.75, P = 0.386 > 0.05