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. 2020 Mar 6;17:32. doi: 10.1186/s12985-020-01306-0

Fig. 2.

Fig. 2

Expression of HPV E6 and/or E6* genes. a Copy number of E6 and E6* genes in specimens with different CIN grades. Statistical analysis was performed using a Steel-Dwass test. ** indicates p < 0.01. b Copy number of E6 and E6* genes in specimens with HPV16, 18, 52, and 58 infection. Statistical analysis was performed using a Steel-Dwass test. ** indicates p < 0.01. c Detection rate of E6 and/or E6* gene in each genotype stratified by CIN grade. Statistical analysis was performed using a Cochran-Armitage test