Figure 1.

The five regions covered in the Indonesia Case Base Group (INA-CBG) system. Region 1 (green): Banten, Jakarta, West Java, Central Java, Yogyakarta, and East Java. Region 2 (blue): West Sumatra, Riau, South Sumatra, Lampung, Bali, and West Nusa Tenggara. Region 3 (red): Aceh Darussalam, North Sumatra, Jambi, Bengkulu, Bangka Belitung, Riau Islands, West Kalimantan, North Sulawesi, Central Sulawesi, Southeast Sulawesi, West Sulawesi, South Sulawesi, and Gorontalo. Region 4 (yellow): South Kalimantan, East Kalimantan, North Kalimantan, and Central Kalimantan. Region 5 (purple): East Nusa Tenggara, Maluku, North Maluku, Papua, and West Papua. Adapted from Khairul A, Purba R, Mariana N, Aliska G, Hadi S. The burden and costs of sepsis and reimbursement of its treatment in a developing country: An observational study on focal infections in Indonesia. Int J Infect Dis. 2020;96:211–218. © 2020 The Author(s). Published by Elsevier Ltd on behalf of International Society for Infectious Diseases. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).¹⁰