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Table 3 Neuro-ventilatory drive and work of breathing parameters

From: High-flow oxygen therapy in tracheostomized patients at high risk of weaning failure

  HF-T 1 Conventional O2 HF-T 2 P
EAdiPEAK (μV) 8.8 ± 4.3 8.9 ± 4.8 9 ± 4.2 0.99
EAdiPTP (μV/s) 7.1 ± 3.6 7.8 ± 4.5 6.9 ± 3.2 0.92
EAdiSLOPE 8.5 ± 4.3 8.7 ± 5.2 9.1 ± 4.4 0.95
PTPmusc/b (cm H2O/s) 7.1 ± 3.9 7.4 ± 4.1 6.9 ± 3.4 0.92
PTPmusc/min (cm H2O/s/min) 130 ± 56 140.7 ± 61 132 ± 53 0.86
  1. Data are expressed as mean ± standard deviation if normally distributed or as median and interquartile range if non-normally distributed
  2. HF-T, high-flow tracheotomy cannula oxygen therapy; conventional O2, conventional low-flow oxygen therapy through a T-piece; EAdiPEAK, diaphragm electrical activity peak; EAdiPTP, EAdi deflection inspiratory area; EAdiSLOPE, EAdi slope from the beginning of inspiration to EAdiPEAK; PTPmusc/b, inspiratory pressure–time product per breath; PTPmusc/min, inspiratory pressure–time product per minute