Table 2.
Clinical stage of breast cancer patients by country-summary from the literature
| Year(s) |
TNM staging system |
SEER staging system |
||||||
| I | II | III | IV | Localized | Regional | Distant | ||
| High-income Countries: | ||||||||
| Australia[9] | 2000-2007 | - | - | - | - | 55.9 | 38.1 | 6.0 |
| Canada[9] | 2000-2007 | 41.0 | 38.1 | 13.3 | 7.6 | - | - | - |
| Denmark[9] | 2000-2007 | 29.3 | 47.2 | 15.8 | 7.7 | - | - | - |
| Germany (Saarland)[11] | 1996-1998 | - | - | - | - | 52.0 | 44.0 | 4.0 |
| Northern Ireland[91] | 2006 | 30.4 | 43.6 | 19.6 | 6.4 | - | - | - |
| Norway[9] | 2000-2007 | 43.4 | 47.1 | 3.8 | 5.7 | - | - | - |
| Saudi Arabia[92] | 2004 | - | - | - | - | 27.8 | 56.2 | 16.0 |
| Sweden[9] | 2000-2007 | 45.2 | 46.5 | 5.3 | 3.0 | - | - | - |
| United Kingdom[9] | 2000-2007 | 40.0 | 45.4 | 9.2 | 5.4 | - | - | - |
| United States[10] | 2002-2008 | - | - | - | - | 62.3 | 32.6 | 5.1 |
| Low and middle-income countries: | ||||||||
| Brazil | ||||||||
| Goias[93] | 2002-2009 | 14.7 | 36.1 | 27.9 | 21.3 | - | - | - |
| Porto Alegre[94] | 1975-1997 | 16.0 | 54.0 | 19.0 | 11.0 | - | - | - |
| Sao Paulo[94] | 1979-1989 | 11.0 | 22.0 | 53.0 | 14.0 | - | - | - |
| Colombia (Bogota)[95] | 2006-2007 | - | - | - | - | 26.4 | 68.2 | 5.4 |
| Egypt (South Cancer Inst.)[96] | 2001-2008 | 11.0 | 39.0 | 25.0 | 25.0 | - | - | - |
| Egypt (Gharbiah)[97] | 1999-2008 | - | - | - | - | 25.2 | 60.3 | 14.5 |
| India[98] | ||||||||
| Mumbai | 1995 | 7.8 | 57.4 | 28.4 | 5.9 | - | - | - |
| Trivandrum | 1996 | 4.4 | 42.3 | 40.5 | 12.8 | - | - | - |
| Chennai | 1.0 | 23.0 | 52.0 | 24.0 | - | - | - | |
| Iraq (Kurdistan)[99] | 2006-2008 | 4.9 | 53.3 | 31.8 | 9.9 | - | - | - |
| Jordan[100] | 2009 | 29.0 | 30.0 | 23.0 | 10.0 | |||
| Libya[22] | 2008-2009 | 9.0 | 25.5 | 54.0 | 11.5 | - | - | - |
| Malaysia (East Coast and Kuala Lumpur)[26] | 2005-2007 | 5.2 | 38.7 | 44.8 | 11.3 | - | - | - |
| Mexico | ||||||||
| INCAN[101]-uninsured pop. | 2007 | 10.2 | 36.4 | 40.9 | 12.5 | - | - | - |
| IMSS[102]-insured pop. | 2002 | 13.8 | 39.6 | 33.9 | 12.7 | - | - | - |
| Nigeria (Lagos)[103] | 2009-2010 | 5.5 | 15.4 | 62.7 | 16.4 | - | - | - |
| Peru (Lima)[94] | 1985-1997 | 9.0 | 42.0 | 33.0 | 16.0 | - | - | - |
| South Africa[104] | ||||||||
| Whites | 1970-1997 | 30.8 | 38.0 | 18.8 | 11.9 | - | - | - |
| Blacks | 5.4 | 16.9 | 41.6 | 36.1 | - | - | - | |
| Thailand[36] | 2009 | 12.0 | 38.0 | 41.0 | 9.0 | - | - | - |
Data are population-based, except for the following countries where data is hospital-based: Brazil, Colombia, Egypt, India, Iraq, Libya, Malaysia, Mexico, Nigeria, Peru, South Africa and Thailand. All percentages were corrected to exclude Non-Staged cancers.