Does pigtail catheters relieve pneumothorax?: A PRISMA-compliant systematic review and meta-analysis: Erratum

In the article, “Does pigtail catheters relieve pneumothorax?: A PRISMA-compliant systematic review and meta-analysis”,^[1] which appears in Volume 97, Issue 47 of Medicine, the phrase “In this systematic review and meta-analysis of 1124 cases of pneumothorax from 18 articles…” should be rephrased as following:” In this systematic review and meta-analysis of 1067 cases of pneumothorax from 16 articles…”