| Study | Reason for exclusion |
|---|---|
| Andrews 2012 | Did not compare IM versus oral corticosteroids |
| Droszcz 1985 | Not an RCT/CCT |
| Ducharme 2004 | Not an RCT/CCT |
| Green 1995 | Did not provide a single dose of intramuscular corticosteroids |
| Hofmann 2008 | Did not compare IM versus oral corticosteroids |
| Kelso 2014 | Not an RCT/CCT |
| Ozpenpe 2011 | Patients not discharged from ED |
| Razi 2006 | Did not provide a single dose of intramuscular corticosteroids |
| Watnick 2016 | Not an RCT/CCT |
| White 2010 | Not an RCT/CCT |
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