Table 5. HPV 16 DNA copy number according to the woman's age at time of diagnosis.

Age	<35	36–45	46–55	>55
HPV16 −	3	21	4	14
HPV16 (low)	2	6	2	0
HPV16 (high)	0	0	2	1

Fisher 1-tailed χ² P=0.03; RR=5; 1.45<RR <17.27.