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. 2022 Jun 6;2022(6):CD003645. doi: 10.1002/14651858.CD003645.pub4

1. Prone versus supine positioning (median and range data).

Study	Outcome	Supine (N)	Supine (median)	Supine *(IQ range)**	Prone (N)	Prone (median)	Prone *(IQ range)**
Baudin 2019	TcPCO₂ (kPA)	14	6.5	* 6.1 to 6.8	14	6.9	* 6.1 to 7.7
Baudin 2019	FiO₂ (%)	14	30	* 25 to 35	14	27	* 25 to 30
Baudin 2019	SpO₂ (%)	14	97.5	* 95 to 99	14	96.5	* 94 to 98
Baudin 2019	Heart rate (beats/min)	14	159	* 146 to 164	14	156	* 144 to 163
Curley 2005	Minute ventilation (minutes)	42	1.6	* 1.0 to 3.2	42	1.6	0.6 to 2.8

* Interquartile range