Table 2 Difference between pooled routine airway clearance and chest physiotherapy data for each outcome measure, and the interaction effect of recruitment manoeuvres: mean difference, standard error (SE), significance and 95% confidence intervals (CI) (linear mixed models)
From: Chest physiotherapy improves regional lung volume in ventilated children
Chest physiotherapy (CPT) minus routine airway clearance main effect | CPT*recruitment interaction effect | ||||
|---|---|---|---|---|---|
Mean difference | SE | Significance | 95% CI | Significance | |
Ventilation distribution (relative impedance Δ) | |||||
Global Amp | − 0.004 | 0.012 | 0.745 | − 0.027–0.020 | 0.479 |
Global EELV | 0.084 | 0.018 | *0.000 | 0.047–0.121 | 0.293 |
Anterior EELV | 0.047 | 0.015 | *0.003 | 0.017–0.078 | 0.931 |
Posterior EELV | 0.107 | 0.027 | *0.000 | 0.053–0.160 | 0.402 |
Global inhomogeneity index | 0.043 | 0.018 | *0.017 | 0.008–0.078 | 0.230 |
Geometric centre (%) | − 3.613 | 1.241 | *0.005 | − 6.097 to − 1.129 | 0.833 |
Gas exchange | |||||
PaO2 (mmHg) | − 7.861 | 6.186 | 0.209 | − 20.243–4.521 | 0.217 |
PaCO2 (mmHg) | 9.615 | 3.013 | *0.002 | 3.610–15.620 | 0.110 |
PF ratio | − 56.663 | 32.220 | 0.084 | − 121.210–7.885 | 0.250 |
FiO2 | 0.040 | 0.024 | 0.106 | − 0.009–0.089 | 0.279 |
SpO2 | − 0.175 | 0.790 | 0.825 | − 1.763–1.412 | 0.095 |
SpO2/FiO2 | − 33.565 | 21.584 | 0.126 | − 76.832–9.703 | 0.195 |
Physiological state | |||||
Respiratory rate (bpm) | 5.886 | 3.190 | 0.070 | − 0.495–12.267 | *0.001 |
Heart rate (bpm) | 4.869 | 7.021 | 0.491 | − 9.202–18.940 | *0.048 |