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TABLE 2

Time Trends in Annual Prevalence, Death, and Decannulation Rates: 2008–2018

Tracheal Tube Without iHMVTracheal Tube With iHMVAll
Age groupCoefficientPCoefficientPCoefficientP
Prevalence rate −0.0251 .375 0.4445 .001** 0.4194 .003** 
Age group, y       
 0–2 −0.2640 .076 1.1374 .052 0.8734 .165 
 3–8 0.0691 .291 0.3036 .014* 0.3727 .027* 
 9–16 −0.0016 .971 0.3148 .001** 0.3133 .009** 
Death rate −0.0048 .160 −0.0055 .024* −0.0052 .036* 
Decannulation rate 0.0001 .990 −0.0024 .368 −0.0020 .376 
Tracheal Tube Without iHMVTracheal Tube With iHMVAll
Age groupCoefficientPCoefficientPCoefficientP
Prevalence rate −0.0251 .375 0.4445 .001** 0.4194 .003** 
Age group, y       
 0–2 −0.2640 .076 1.1374 .052 0.8734 .165 
 3–8 0.0691 .291 0.3036 .014* 0.3727 .027* 
 9–16 −0.0016 .971 0.3148 .001** 0.3133 .009** 
Death rate −0.0048 .160 −0.0055 .024* −0.0052 .036* 
Decannulation rate 0.0001 .990 −0.0024 .368 −0.0020 .376 

Coefficients represent the annual change (or time trend) in the prevalence rates. Coefficients and P values are based on regressions of prevalence rates as a function of years since 2008.

*

P = .05 and ** P = .01 for statistical significance.

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