Table 1 Characteristics of women diagnosed with cervical cancer in Norway by age, 1953–2013
From: Cervical cancer in women under 30 years of age in Norway: a population-based cohort study
All ages | Age < 25 | Age 25–29 | Age ≥ 30 | p-differencea | |||||
|---|---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | n | % | ||
Period of diagnosis | |||||||||
1953–68 | 5,495 | 26.0 | 13 | 6.3 | 106 | 11.6 | 5,376 | 26.8 | |
1969–83 | 6,168 | 29.1 | 85 | 41.1 | 263 | 28.7 | 5,820 | 29.0 | |
1984–98 | 5,089 | 24.1 | 59 | 28.5 | 290 | 31.7 | 4,740 | 23.7 | |
1999–13 | 4,408 | 20.8 | 50 | 24.2 | 256 | 28.0 | 4,102 | 20.5 | < 0.001 |
Stage (FIGO) | |||||||||
1 | 11,322 | 53.5 | 180 | 87.0 | 754 | 82.4 | 10,388 | 51.8 | |
2 | 5,236 | 24.7 | 19 | 9.2 | 103 | 11.3 | 5,114 | 25.5 | |
3 | 2,775 | 13.1 | 3 | 1.4 | 33 | 3.6 | 2,739 | 13.7 | |
4 | 1,487 | 7.0 | 3 | 1.4 | 9 | 1.0 | 1,475 | 7.4 | |
Unknown | 340 | 1.6 | 2 | 1.0 | 16 | 1.7 | 322 | 1.6 | < 0.001 |
Morphology | |||||||||
Squamous cell carcinoma | 17,565 | 83.0 | 164 | 79.2 | 745 | 81.4 | 16,656 | 83.1 | |
Adenocarcinoma | 2,284 | 10.8 | 26 | 12.6 | 104 | 11.4 | 2,154 | 10.7 | |
Adenosquamous carcinoma | 374 | 1.8 | 6 | 2.9 | 34 | 3.7 | 334 | 1.7 | |
Other malignancies | 880 | 4.2 | 10 | 4.8 | 28 | 3.1 | 842 | 4.2 | |
Unspecified morphology | 57 | 0.3 | 1 | 0.5 | 4 | 0.4 | 52 | 0.3 | < 0.001 |
Total | 21,160 | 100.0 | 207 | 100.0 | 915 | 100.0 | 20,038 | 100.0 | |
Screening historyb | |||||||||
No smear | 3,371 | 60.3 | 24 | 38.7 | 119 | 36.8 | 3,228 | 62.0 | |
Only normal smears | 1,445 | 25.9 | 25 | 40.3 | 119 | 36.8 | 1,301 | 25.0 | |
Abnormal smearsc | 694 | 12.4 | 13 | 21.0 | 76 | 23.5 | 605 | 11.6 | |
Only unsatisfactory smears | 78 | 1.4 | 0 | 0 | 9 | 2.8 | 69 | 1.3 | < 0.001 |
Total | 5,588 | 100.0 | 62 | 100.0 | 323 | 100.0 | 5,203 | 100.0 | |