Fig. 1
From: Hypoxemia in trauma patients receiving two different oxygen strategies: a TRAUMOX2 substudy
Flowchart of inclusion and data collection for trauma patients in this substudy
Abbreviations: SpO2, arterial oxygen saturation measured by pulse oximetry
*Odense University Hospital included patients in the substudy from June 20, 2022, forward
†Patient included in TRAUMOX2 by mistake (randomized despite an exclusion criterion being met)
‡Seven times, the pulse oximeter was removed prematurely by patients or clinical health care staff, while the pulse oximeter ran out of battery three times.