Table 2.

Inclusion and exclusion criteria of the study

Overview of eligibility criteria
Inclusion criteria	Exclusion criteria
Aged 7–16 years	Withdraw informed consent
Patients diagnosed with PE and scheduled Nuss procedure of PE	Admitted to intensive care unit after surgery
American Society of Anesthesiologists physical status classification I–III	Contraindication to regional block (eg, local anaesthetic allergy, anatomical abnormalities, infection at the injection site or coagulation disorders)
Signed informed consent form

PE, pectus excavatum.