Fig 2.
Oral cancer burden of cost and difference of costs (%) according to types of patient care (A) and clinical stage of the disease (B). Difference (%) = [(inpatient cost–outpatient cost)/outpatient cost x 100]. Currency: Kim,2011: Pounds; Lairson, 2017, Rezapour, 2018, Amarasinghe, 2019, Zavras, 2002, Epstein, 2008: US dollars; Pollaers, 2019: Australian dollars; Lafuma, 2019: Euros; Milani, 2021: International dollars (million); Goyal, 2014: rupees.