©The Author(s) 2021.
World J Meta-Anal. Aug 28, 2021; 9(4): 389-404
Published online Aug 28, 2021. doi: 10.13105/wjma.v9.i4.389
Published online Aug 28, 2021. doi: 10.13105/wjma.v9.i4.389
Table 2 Top 25 keywords of each 5-year interval between 2001-2020 color coded to the clusters identified in Figure 4
| 2001 | 2006 | 2011 | 2016 | |
| Iron-deficiency anemia3 | Iron-deficiency anemia3 | Iron-deficiency anemia3 | Iron-deficiency anemia3 | |
| Anemia1 | Anemia1 | Anemia1 | Anemia1 | |
| Children1 | Iron deficiency anemia1 | Iron deficiency anemia1 | Iron deficiency anemia1 | |
| Iron deficiency anemia1 | Children1 | Children1 | Prevalence1 | |
| Iron deficiency2 | Iron deficiency2 | Iron deficiency2 | Children1 | |
| Iron5 | Prevalence1 | Prevalence1 | Iron deficiency2 | |
| Prevalence1 | Diagnosis3 | Iron5 | Diagnosis3 | |
| Serum ferritin5 | Iron5 | Diagnosis3 | Management3 | |
| Ferritin5 | Supplementation1 | Supplementation1 | Iron5 | |
| Supplementation1 | Infants1 | Hepcidin5 | Supplementation1 | |
| Diagnosis3 | Serum ferritin5 | Management3 | Pregnancy1 | |
| Absorption2 | Women1 | Hemoglobin1 | Hepcidin5 | |
| Deficiency5 | Hemoglobin1 | Pregnancy1 | Hemoglobin1 | |
| Infants1 | Absorption2 | Ferritin5 | Risk3 | |
| Erythropoietin4 | Deficiency5 | Intravenous iron4 | Intravenous iron4 | |
| Pregnancy1 | Hepcidin5 | Women1 | Women1 | |
| Women1 | Therapy4 | Deficiency anemia1 | Ferritin5 | |
| Therapy4 | Iron-deficiency1 | Disease3 | Oral iron4 | |
| Hemoglobin1 | Growth1 | Inflammation5 | Health1 | |
| Eradication3 | Helicobacter pylori3 | Risk3 | Disease3 | |
| Serum transferrin receptor5 | Pregnancy1 | Association3 | Infants1 | |
| Helicobacter pylori3 | Disease3 | Metabolism1 | Deficiency5 | |
| Iron-deficiency1 | Risk3 | Infants1 | Iron-deficiency1 | |
| Deficiency anemia1 | Celiac disease3 | Serum ferritin5 | Deficiency anemia1 | |
| Disease3 | Expression5 | Deficiency5 | Ferric carboxymaltose4 | |
| Number of keywords | ||||
| Red | ||||
| 11 | 12 | 11 | 12 | |
| Purple | ||||
| 2 | 2 | 1 | 1 | |
| Blue | ||||
| 5 | 5 | 6 | 5 | |
| Yellow | ||||
| 2 | 1 | 1 | 3 | |
| Green | ||||
| 5 | 5 | 6 | 4 | |
| New items in each quartile | ||||
| (None) | Serum ferritin5 | Management3 | Oral iron4 | |
| Hepcidin5 | Intravenous iron4 | Health1 | ||
| Growth1 | Inflammation5 | Ferric carboxymaltose4 | ||
| Risk3 | Association3 | |||
| Celiac disease3 | Metabolism1 | |||
| Expression5 | Infants1 | |||
- Citation: Frater JL. Trends in iron deficiency anemia research 2001-2020: A bibliometric analysis. World J Meta-Anal 2021; 9(4): 389-404
- URL: https://www.wjgnet.com/2308-3840/full/v9/i4/389.htm
- DOI: https://dx.doi.org/10.13105/wjma.v9.i4.389