Review Article
Traditional East Asian Herbal Medicine for Amyotrophic Lateral Sclerosis: A Scoping Review
Table 1
General characteristics of the included literature (N = 59).
| Variables | Categories | n (%) |
| Publication year | 1995–1999 | 4 (6.8) | 2000–2004 | 7 (11.9) | 2005–2009 | 6 (10.2) | 2010–2014 | 19 (32.2) | 2015–2019 | 23 (40.0) | Research methodology | Observational studies | 28 (47.5) | Case report | 19 (32.2) | Case series | 6 (10.2) | Retrospective study | 2 (3.4) | Prospective study | 1 (1.7) | Experimental studies | 20 (33.9) | Before-and-after study | 12 (20.3) | Randomized controlled trial | 8 (13.6) | Literature studies | 11 (18.6) | Narrative review | 7 (11.9) | Systemic review | 3 (5.1) | Meta-analysis | 1 (1.7) | Country | China | 39 (66.1) | Korea | 20 (33.9) | Language | Chinese | 34 (57.6) | Korean | 14 (23.7) | English | 11 (18.6) |
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