Table 2 Perioperative procedural times in minutes represented as median and interquartile range; * p = < 0.05; Key performance indicators: K11: Start Presence Anesthesia Nursing Staff (A4) to End Presence Anesthesia Nursing Staff (A10); K12: Start Presence Anesthesiologist (A5) to End Presence of Anesthesiologist (A12); K10: Anesthesia Ready (A7) to End Follow-up Surgical Measures (O11); K8: Incision (O8) to Closure (O9); K2: Start Anesthesia (A6) to Anesthesia Ready (A7); K3: End Follow-up Surgical Measures (O11) to End Anesthesia (A9). All times and coding according to The German Perioperative Procedural Time Glossary [26].

From: Video double-lumen tube for one lung ventilation: implementation and experience in 343 cases of routine clinical use during the first 20 months of the SARS-CoV-2 pandemic