From: Incidence of breast cancer subtypes in immigrant and non-immigrant women in Norway
 | Age 20–75 | Age 20–49 | ||
---|---|---|---|---|
Cases/PYR | IRR (95% CI) | Cases/PYR | IRR (95% CI) | |
All subtypes | ||||
Non-immigrants | 21,682/14608517 | 1.00 (ref) | 4750/8335077 | 1.00 (ref) |
High-income | 675/477618 | 1.07 (0.99–1.16) | 154/305153 | 0.94 (0.80–1.10) |
Eastern Europe | 417/593550 | 0.85 (0.77–0.93) | 195/486627 | 0.90 (0.78–1.04) |
Middle East | 136/176786 | 0.93 (0.79–1.10) | 69/147450 | 0.97 (0.77–1.23) |
Sub-Saharan Africa | 60/152194 | 0.62 (0.48–0.80) | 43/136880 | 0.75 (0.56–1.02) |
South Asia | 139/180867 | 0.78 (0.66–0.92) | 61/139461 | 0.87 (0.68–1.12) |
South-East Asia | 178/284409 | 0.71 (0.61–0.82) | 101/232898 | 0.85 (0.70–1.04) |
Luminal A-like | ||||
Non-immigrants | 11,732/14608517 | 1.00 (ref) | 2418/8335077 | 1.00 (ref) |
High-income | 366/477618 | 1.08 (0.97–1.20) | 84/305153 | 1.03 (0.83–1.28) |
Eastern Europe | 222/593550 | 0.86 (0.76–0.99) | 99/486627 | 0.95 (0.77–1.16) |
Middle East | 81/176786 | 1.06 (0.85–1.32) | 41/147450 | 1.18 (0.86–1.60) |
Sub-Saharan Africa | 21/152194 | 0.43 (0.28–0.66) | 12/136880 | 0.44 (0.25–0.78) |
South Asia | 63/180867 | 0.67 (0.52–0.86) | 25/139461 | 0.73 (0.49–1.08) |
South-East Asia | 83/284409 | 0.63 (0.51–0.79) | 46/232898 | 0.79 (0.59–1.06) |
Luminal B-like/HER2- | ||||
Non-immigrants | 2767/14608517 | 1.00 (ref) | 377/8335077 | 1.00 (ref) |
High-income | 102/477618 | 1.29 (1.06–1.57) | 11/305153 | 0.85 (0.46–1.54) |
Eastern Europe | 55/593550 | 1.02 (0.78–1.33) | 21/486627 | 1.20 (0.77–1.87) |
Middle East | 15/176786 | 0.97 (0.58–1.61) | 8/147450 | 1.41 (0.70–2.83) |
Sub-Saharan Africa | 9/152194 | 0.93 (0.48–1.80) | 6/136880 | 1.30 (0.58–2.92) |
South Asia | 10/180867 | 0.49 (0.27–0.92) | 2/139461 | 0.36 (0.09–1.43) |
South-East Asia | 26/284409 | 0.97 (0.66–1.44) | 9/232898 | 0.95 (0.49–1.84) |
Luminal B-like/HER2+  | ||||
Non-immigrants | 2030/14608517 | 1.00 (ref) | 653/8335077 | 1.00 (ref) |
High-income | 58/477618 | 0.96 (0.74–1.25) | 17/305153 | 0.75 (0.46-.21) |
Eastern Europe | 46/593550 | 0.84 (0.63–1.13) | 30/486627 | 0.97 (0.67–1.40) |
Middle East | 12/176786 | 0.72 (0.41–1.28) | 4/147450 | 0.40 (0.15–1.06) |
Sub-Saharan Africa | 10/152194 | 0.85 (0.46–1.59) | 8/136880 | 0.97 (0.48–1.94) |
South Asia | 20/180867 | 1.05 (0.68–1.63) | 17/139461 | 1.72 (1.06–2.78) |
South-East Asia | 29/284409 | 1.03 (0.71–1.49) | 23/232898 | 1.37 (0.90–2.08) |
HER2+  | ||||
Non-immigrants | 984/14608517 | 1.00 (ref) | 274/8335077 | 1.00 (ref) |
High-income | 27/477618 | 0.93 (0.63–1.36) | 6/305153 | 0.62 (0.28–1.40) |
Eastern Europe | 13/593550 | 0.51 (0.30–0.89) | 6/486627 | 0.45 (0.20–1.01) |
Middle East | 6/176786 | 0.79 (0.35–1.76) | 4/147450 | 0.93 (0.35–2.49) |
Sub-Saharan Africa | 4/152194 | 0.75 (0.28–2.01) | 4/136880 | 1.11 (0.41–2.99) |
South Asia | 18/180867 | 2.02 (1.26–3.23) | 9/139461 | 2.13 (1.09–4.13) |
South-East Asia | 16/284409 | 1.22 (0.75–2.01) | 9/232898 | 1.24 (0.64–2.42) |
TNBC | ||||
Non-immigrants | 1886/14608517 | 1.00 (ref) | 582/8335077 | 1.00 (ref) |
High-income | 59/477618 | 1.03 (0.79–1.34) | 23/305153 | 1.10 (0.73–1.67) |
Eastern Europe | 47/593550 | 0.93 (0.69–1.24) | 27/486627 | 0.92 (0.62–1.35) |
Middle East | 14/176786 | 0.92 (0.54–1.56) | 7/147450 | 0.74 (0.35–1.56) |
Sub-Saharan Africa | 9/152194 | 0.82 (0.43–1.58) | 8/136880 | 1.00 (0.50–2.01) |
South Asia | 21/180867 | 1.19 (0.78–1.84) | 8/139461 | 0.87 (0.43–1.79) |
South-East Asia | 14/284409 | 0.54 (0.32–0.91) | 8/232898 | 0.50 (0.25–1.01) |
Unknown | ||||
Non-immigrants | 2469/14608517 | 1.00 (ref) | 509/8335077 | 1.00 (ref) |
High-income | 69/476027 | 0.97 (0.76–1.23) | 15/305153 | 0.86 (0.51–1.43) |
Eastern Europe | 38/593550 | 0.68 (0.50–0.94) | 13/486627 | 0.55 (0.32–0.96) |
Middle East | 9/176786 | 0.55 (0.28–1.06) | 5/147450 | 0.65 (0.27–1.58) |
Sub-Saharan Africa | 8/152194 | 0.75 (0.37–1.49) | 6/136880 | 0.97 (0.43–2.18) |
South Asia | 8/180867 | 0.40 (0.20–0.79) | 1/139461 | 0.13 (0.02–0.94) |
South-East Asia | 12/284409 | 0.43 (0.24–0.75) | 7/232898 | 0.55 (0.26–1.15) |