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

Examinations

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

Result (All tests in the invitation cohort)

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

Further assessment (all positive)

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

Outcome

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