| Level I | Good quality evidence |
Systematic review of RCTs with consistent findings High quality individual RCT |
| Level II |
Limited quality patient orientated evidence |
Systematic review of lower quality studies or studies with inconsistent findings Low quality clinical trial Cohort studies Case-control studies |
| Level III | Other |
Consensus guidelines, extrapolations from bench research, usual practice, opinion, disease-oriented evidence (intermediate or physiologic outcomes only), or case series |
[6] Prednisone, oral: Small W Jr, Woloschak G. Radiation toxicity: a practical guide. Introduction. Cancer Treat Res. 2006;128:3-5. https://www.ncbi.nlm.nih.gov/pubmed/16335011
Prednisone, oral: Ta V, Aronowitz P. Radiation pneumonitis. J Gen Intern Med. 2011 Oct;26(10):1213-4. https://www.ncbi.nlm.nih.gov/pubmed/21538170
Prednisone, oral: Conway JL, Long K, Ploquin N, Olivotto IA. Unexpected Symptomatic Pneumonitis Following Breast Tangent Radiation: A Case Report. Cureus. 2015 Oct 22;7(10):e363. https://www.ncbi.nlm.nih.gov/pubmed/26623218
Prednisone, oral: National Department of Health: Affordable Medicines, EDP-Adult Hospital level. Medicine Review: Prednisone, oral for radiation pneumonitis in Adults, November 2019. http://www.health.gov.za/