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Country fact sheet: Portugal (Norte) 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 24 24 24 24 24 0 0 0

Population (personally invited)

Target population 150 480 142 536 128 228 117 774 98 679 637 697
Annual target population 75 240 71 268 64 114 58 887 49 340 318 849
Women invited 40 720 41 534 37 910 34 757 31 761 186 682
Invitation coverage (%) 54.1 58.3 59.1 59.0 64.4 58.5

Examinations

Women screened 20 738 22 469 21 864 20 478 17 929 103 478
Participation rate (%) 50.9 54.1 57.7 58.9 56.4 55.4

Result (All tests in the invitation cohort)

Positive 2 297 1 576 1 155 1 107 927 7 062
Negative 18 441 20 893 20 709 19 371 17 002 96 416
Referral for further assessment (%) 11.1 7.0 5.3 5.4 5.2 6.8

Further assessment (all positive)

Done 2 266 1 549 1 138 1 083 910 6 946
Not done 31 27 17 24 17 116
Further assessment participation rate (%) 98.7 98.3 98.5 97.8 98.2 98.4

Outcome

Negative 2 029 1 311 972 923 729 5 964
Benign lesions 77 65 41 35 36 254
CIS detected 16 14 18 12 17 77
Invasive breast cancer 54 93 71 59 70 347
Other histology 2 1 1 4