TY - JOUR T1 - A higher level of human papillomavirus 16 DNA was associated with an increased risk for cervical carcinoma in situ JF - Evidence Based Medicine JO - Evid Based Med SP - 29 LP - 29 DO - 10.1136/ebm.6.1.29 VL - 6 IS - 1 A2 - , Y1 - 2001/01/01 UR - http://ebm.bmj.com/content/6/1/29.abstract N2 - (2000) Lancet 355, 2189. Josefsson AM, Magnusson PK, Ylitalo N. , et al.. Viral load of human papilloma virus 16 as a determinant for development of cervical carcinoma in situ: a nested case-control study.. Jun 24;. :. –93.OpenUrlCrossRefPubMedWeb of Science
 
 QUESTION: In women with a first normal cervical smear during screening, what is the association between human papillomavirus (HPV) DNA levels and development of cervical carcinoma in situ (CIS)? Nested case control study of women in a screening programme from 1969 to 1995. Uppsala County, Sweden. Women who were <50 years of age at entry, were born in Sweden, and had a normal first cervical smear and smears that contained genomic DNA as measured by β actin. The case group consisted of 478 women (2081 smears). 5 women in the control group were matched to each woman with CIS by date of entry to the cohort, age, and time of first smear. Women in the control group had to be alive without developing CIS or invasive cervical cancer or having a hysterectomy before the date of diagnosis for their matched case; when only 1 smear was available for a woman randomly selected from the original pool of women in the control group, a second matched woman from the control group was randomly selected (n=608 [478 first controls and 130 second controls], 1754 smears). The level of HPV-16 DNA was estimated by using quantitative polymerase chain reaction (5` exonuclease … ER -