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Country fact sheet: United Kingdom (Northern Ireland) Northwest Territories / (Index year: 2013)

Age group 40-44 45-49 50-54 55-59 60-64 65-69 70-74 75-79 Age unknown Total

Interval

Screening interval (months) 0 36 36 36 36 36 0 12 12

Population (personally invited)

Target population 0 67 614 61 761 52 195 47 289 44 940 0 29 100 0 302 899
Annual target population 0 22 538 20 587 17 399 15 763 14 980 0 29 100 0 120 367
Women invited 0 2 153 22 134 18 737 16 430 16 728 0 1 0 76 183
Invitation coverage (%) 0 9.6 107.5 107.7 104.2 111.7 0 0.0 0.0 63.3

Examinations

Women screened 0 1 586 16 951 14 536 12 859 12 764 0 0 0 58 696
Participation rate (%) 0.0 73.7 76.6 77.6 78.3 76.3 0.0 0.0 0.0 77.0

Result (All tests in the invitation cohort)

Positive 0 116 847 371 345 384 0 0 0 2 063
Negative 0 1 470 16 104 14 165 12 514 12 380 0 0 0 56 633
Unknown 0 0 0 0 0 0 0 0 0 0
Referral for further assessment (%)0.0 7.3 5.0 2.6 2.7 3.0 0.0 0.0 0.0 3.5

Further assessment (all positive)

Done 0 116 842 370 345 383 0 0 0 2 056
Not done 0 0 5 1 0 1 0 0 0 7
Unknown 0 0 0 0 0 0 0 0 0 0
Further assessment participation rate (%) 0.0 100.0 99.4 99.7 100.0 99.7 0.0 0.0 0.0 99.7

Outcome

Negative 0 99 750 282 253 270 0 0 0 1 654
Benign lesions 0 6 10 4 5 4 0 0 0 29
CIS detected 0 2 15 12 13 16 0 0 0 58
Invasive breast cancer 0 9 67 72 74 93 0 0 0 315
Other histology 0 0 0 0 0 0 0 0 0 0
Unknown 0 0 0 0 0 0 0 0 0 0