Wang, Haidong; Dwyer-Lindgren, Laura; Lofgren, Katherine T; Rajaratnam, Julie Knoll; Marcus, Jacob R; Levin-Rector, Alison; Levitz, Carly E; Lopez, Alan D; Murray, Christopher JL (2012). «Age-specific and sex-specific mortality in 187 countries, 1970–2010: a systematic analysis for the Global Burden of Disease Study 2010». The Lancet. 380 (9859): 2071–2094. doi:10.1016/S0140-6736(12)61719-X. PMID23245603.
A = years lived healthily
B = years lived with disability
A + B = life expectancy
A + fB = healthy life expectancy, where f is a weighting to reflect disability level.[1]
Wang, Haidong; Dwyer-Lindgren, Laura; Lofgren, Katherine T; Rajaratnam, Julie Knoll; Marcus, Jacob R; Levin-Rector, Alison; Levitz, Carly E; Lopez, Alan D; Murray, Christopher JL (2012). «Age-specific and sex-specific mortality in 187 countries, 1970–2010: a systematic analysis for the Global Burden of Disease Study 2010». The Lancet. 380 (9859): 2071–2094. doi:10.1016/S0140-6736(12)61719-X. PMID23245603.
