Self-Proning Statistical Data Prone position
Nonintubated population (n=78)
Nonintubated population (n=78)
Intubated population (n=15)*
Intubated population (n=15)*
SpO2 (pre-proning) Change in SpO2 (during proning) SpO2 (pre-proning) Change in SpO2 (during proning)
Stomach
M 93% SD 3.3 IQR 4 95% CI 92 - 94 Range 18 Skewness -0.5 M 95% SD 2.4 IQR 3 95% CI 95 - 96 Range 14 Skewness -0.9 R2 <0.001 t(170) = -5.22, p <0.001 M 90% SD 5.0 IQR 7 95% CI 87 - 93 Range 17 Skewness -0.8 M 95% SD 3.3 IQR 4 95% CI 92 - 97 Range 11 Skewness -0.1 R2 0.028 t(19) = -2.62, p 0.017
Lateral
M 92% SD 4.3 IQR 4 95% CI 92 - 93 Range 25 Skewness -1.4 M 93% SD 3.6 IQR 4 95% CI 93 – 94 Range 21 Skewness -1.8 R2 <0.001 t(205) = -1.92, p 0.055 M 92% SD 4.0 IQR 5 95% CI 90 - 93 Range 17 Skewness 0.004 M 95% SD 2.8 IQR 5 95% CI 94 - 96 Range 9 Skewness 0.1 R2 0.011 t(39) = -3.32, p 0.002