Table 1

Risk of bias assessment of the included studies (case reports and case series)

StudyCases (n)Question 1Question 2Question 3Question 4Question 5Risk of bias
Alzamora et al 29 1YesYesYesYesYesLow
Kamali Aghdam et al 30 1YesYesYesYesYesLow
Chacón-Aguilar et al 31 1YesYesYesYesYesLow
Piersigilli et al 32 1YesYesYesYesYesLow
Wang et al 33 1YesYesYesYesYesLow
Wang et al 34 1YesYesYesYesYesLow
Yu et al 35 1YesYesYesYesYesLow
Zeng et al 36 3YesYesYesYesYesLow
  • Tool details

  • Low risk items: Green shading, Unclear risk: Yellow shading, High risk: red shading