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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
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