Table 1.
Summary and comparison of the study outcomes for all six diseases
| HIV | Malaria | Tuberculosis | Salmonellosis | Ebola | Buruli | |
| Period of Publication Evaluated | August 1, 2014 to July 31, 2016 | August 1, 2014 to July 31, 2016 | August 1, 2013 to July 31, 2016 | August 1, 1980 to July 31, 2016 | August 1, 1980 to July 31, 2016 | August 1, 1980 to July 31, 2016 |
| Number of articles included after final review | 386 | 325 | 230 | 134 | 77 | 30 |
| Number of African countries from which studies were done | 25 | 33 | 26 | 28 | 9 | 7 |
| Proportion of studies with African Researchers | 0.48 (0.46–0.49) | 0.55 (0.54–0.57) | 0.56 (0.54–0.58) | 0.64 (0.61–0.67) | 0.25 (0.23–0.27) | 0.45 (0.39–0.51) |
| Proportion of studies with first authors from African Institutions | 0.51 (0.46–0.56) | 0.55 (0.49–0.6) | 0.37 (0.31–0.44) | 0.71 (0.62–0.78) | 0.29 (0.19–0.4) | 0.33 (0.18–0.53) |
| Proportion of studies with last authors from African Institutions | 0.36 (0.31–0.41) | 0.37 (0.31–0.42) | 0.53 (0.46–0.59) | 0.64 (0.55–0.72) | 0.23 (0.15–0.35) | 0.17 (0.06–0.35) |
| Proportion of studies that acknowledged any funding source(s) | 0.8 (0.76–0.84) | 0.88 (0.84–0.91) | 0.71 (0.65–0.77) | 0.48 (0.39–0.57) | 0.64 (0.52–0.74) | 0.87 (0.68–0.96) |
| Proportion of studies that acknowledged funding from African Institutions | 0.05 (0.03–0.08) | 0.08 (0.06–0.12) | 0.09 (0.06–0.13) | 0.01 (0–0.06) | 0.13 (0.07–0.23) | 0.07 (0.01–0.24) |
| Proportion of studies that acknowledged funding when first author is from African Institutions | 0.74 (0.67–0.8) | 0.86 (0.8–0.91) | 0.73 (0.62–0.82) | 0.44 (0.34–0.55) | 0.5 (0.31–0.69) | 0.8 (0.44–0.96) |
| Proportion of studies that acknowledged funding when last author is from African Institutions | 0.74 (0.66–0.81) | 0.79 (0.7–0.86) | 0.65 (0.56–0.74) | 0.45 (0.35–0.56) | 0.39 (0.18–0.64) | 0.6 (0.17–0.93) |
| Proportion of studies with laboratory tests done in Africa | 0.74 (0.7–0.79) | 0.79 (0.74–0.84) | 0.9 (0.85–0.93) | 0.68 (0.59–0.76) | 0.78 (0.67–0.86) | 0.83 (0.65–0.94) |
The total number of articles for each disease is analysed by number of articles, place of research and lab test, first and last authorship, and funding availability.
The general characteristics of the articles included in the analysis based on the six diseases with the mean of the sample estimate and confidence interval at a 95% confidence level represented in brackets.
AIn, African Institutions; AR, African Researchers.