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
Cannula
 SNC
1.0 (reference)
 OSNRC
1.4 (1.1–1.8)
Random effects
 Random intercept
1.4 (0.93–2.0)
 Residual variance
0.94 (0.82–1.1)