Table 1 The risk of bias ratings for included studies using the JBI critical appraisal checklist for case reports

Study	Were the patient's demographic characteristics clearly described?	Was the patient's history clearly described and presented as a timeline?	Was the current clinical condition of the patient on presentation clearly described?	Were diagnostic tests or assessment methods and the results described clearly?	Was the intervention(s) or treatment procedure(s) clearly described?	Was the postintervention clinical condition clearly described?	Were adverse events or unanticipated events described if appropriate?	Does the case report provide take away lesson?
Altamura et al.¹⁴	+	+	+	?	+	+	+	+
Colvenkar et al.¹⁵	+	+	+	?	+	+	+	+
Eli and Kleinhauz¹⁶	+	+	+	?	+	?	+	+
Kavaz et al.¹⁷	+	?	+	?	+	?	+	+
Newton & Emanuel¹⁸	+	+	+	?	+	+	+	+
Ramazani et al.¹⁹	+	+	+	+	+	+	+	+
Savage & MacGregor²⁰	+	+	+	?	+	+	+	+
Singer²¹	+	+	+	?	+	+	+	+
Key: + = yes - = no ? = unclear Note: The JBI Critical Appraisal Checklist for Case Reports is used descriptively and does not provide a summed score. Ratings indicate the presence or absence of key methodological criteria but are not used to calculate an overall study quality rating.

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