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Table 5 Random-intercept linear mixed effects model of saturation as a function of oxygen flowrate and OSNRC (versus SNC)

From: Efficacy and safety of oxygen-sparing nasal reservoir cannula for treatment of pediatric hypoxemic pneumonia in Uganda: a pilot randomized clinical trial

  Coefficient (95% CI) P-value
Fixed effects
Flow rate 1.6 (1.2–2.0) < 0.0001
SNC 1.0 (reference)  
OSNRC 1.4 (1.1–1.8) < 0.0001
Random effects
Random intercept 1.4 (0.93–2.0)  
Residual variance 0.94 (0.82–1.1)  
  1. Data represent the point estimate (95% confidence interval [CI])
  2. SNC standard nasal cannula, OSNRC oxygen-sparing reservoir nasal cannula