Table 3.

Joanna Briggs Institute Critical Appraisal tool for case-series study.

	Anand P et al. [20] 2020	Romagnolo A et al. [29] 2021
1. Were the criteria for inclusion in the sample clearly defined?	Yes	Yes
2. Were the study subjects and the setting described in detail?	Yes	Yes
3. Was the exposure measured in a valid and reliable way?	Yes	Yes
4. Were objective, standard criteria used for measurement of the condition?	Yes	Yes
5. Were confounding factors identified?	Yes	Yes
6. Were strategies to deal with confounding factors stated?	No	Yes
7. Were the outcomes measured in a valid and reliable way?	Yes	Yes
8. Was appropriate statistical analysis used?	Yes	Yes
Quality	Include study	Include study