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Table 5 Cause-specific mortality fraction accuracy of computer-coded verbal autopsy methods versus physician-coded verbal autopsy reference standards

From: Performance of four computer-coded verbal autopsy methods for cause of death assignment compared with physician coding on 24,000 deaths in low- and middle-income countries

Datasets Test cases King-Lu (%) Open-source random forest (%) Open-source tariff method (%) InterVA-4 (%) Average (%)
China 400 84 79 75 N/A 79
Institute for Health Metrics and Evaluation 400 88 73 63 N/A 75
Million Death Study 6100 96 64 33 70a 66
Agincourt 2900 94 72 38 75 70
Matlab 1600 95 69 59 72 74
Average 91 71 54 72  
  1. aThe Million Death Study dataset used for InterVA-4 contained a sample of 552 cases, in which we attempted to extract additional InterVA-4 indicators from the narratives.