Table 2.

Annual change (percent) in cervical screening test outcome by age (and overall) from 2008–2011

Age group
15–2021–2930–3940–4960–6566–8421–65
Test resulta%95% CI%95% CI%95% CI%95% CI%95% CI%95% CI%95% CI
Negative−0.9(−1.3, −0.6)−0.6(−0.7, −0.4)−0.5(−0.6, −0.4)−0.3(−0.4, −0.1)−0.1(−0.1, 0.0)−0.1(−0.3, 0.1)−0.3(−0.4,−0.3)
ASC-US2.9(0.2, 5.7)4.7(3.2, 6.3)5.7(3.7, 7.8)5.4(3.2, 7.6)4.1(1.7, 6.5)3.5(−2.4, 9.8)5.0(4.0,6.0)
LSIL8.7(5.6, 12)6.2(4.1, 8.3)14(10, 18)10(5.3, 15)13(7.0, 19)14(−1.0, 30)9.1(7.5,11)
ASC-H4.0(−6.9, 16)7.5(2.1, 13)6.9(0.0, 14)−1.1(−9.9, 8.6)11(1.2, 22)4.9(−15, 29)6.8(3.1,11)
HSIL−7.0(−19, 6.2)0.5(−4.8, 6.1)3.9(−3.2, 12)12(0.1, 25)2.5(−10, 17)15(−8.3, 45)3.2(−0.7,7.3)
AGC−8.3(−32, 24)0.5(−8.9, 11)6.6(−1.7, 15)−1.8(−8.4, 5.4)2.5(−4.6, 10)0.1(−14, 17)1.6(−2.3,5.7)
AIS4.2(−61, 177)81(−42, 461)6.8(−73, 325)0.0(0.0, 0.0)32(−32,159)
CA0.0(0.0, 0.0)−47(−95, 481)6.1(−57, 163)−3.4(−42, 62)20(−36, 123)16(−26,79)
SCC0.0(0.0, 0.0)16(−32, 97)0.4(−48, 95)−17(−41, 17)16(−30, 92)−4.2(−26,24)
ADCA31(−41,191)4.5(−61,178)18(−24,82)24(−4.6,61)14(−14, 53)25(1.1,55)
Insufficient/No Dx−4.4(−14, 5.8)−12(−17,−6.6)−11(−16,−5.8)−8.2(−13,−3.4)−13(−17,−10)−5.5(−11, 0.7)−11(−14,−9.3)
ASC-US and LSIL5.5(3.6, 7.5)5.2(4.0, 6.5)7.9(6.1, 9.7)6.2(4.2,8.2)5.4(3.3,7.6)5.1(−0.4, 11)6.1(5.3, 7.0)
ASC-H and HSIL+−1.3(−9.1, 7.1)3.9(0.3, 7.6)6.1(1.8, 11)1.5(−3.4,6.6)5.3(0.1,11)6.8(−3.2, 18)4.3(2.1, 6.6)

NOTE: Annual changes (% and 95% CI) are based on rate ratios for a log-linear model with binomial errors. Cells with too few cases are indicated by a dash.

  • aASC-US, atypical squamous cells of undetermined significance; ASC-H, atypical squamous cells cannot rule out HSIL; LSIL, low-grade squamous intraepithelial lesions; HSIL, high-grade squamous intraepithelial lesions; SCC, squamous cell carcinoma; AGC, atypical glandular cell; AIS, endocervical adenocarcinoma in situ; ADCA, endocervical adenocarcinoma not otherwise specified; CA, carcinoma not otherwise specified; Insufficient/No Dx, insufficient sample for diagnostic test or no diagnosis.