From: Differences in tidal breathing between infants with chronic lung diseases and healthy controls
Parameter | Healthy neonates (n = 48) | CLD infants (n = 48) | p-value CLD |
---|---|---|---|
tI(s) | 0.65 ± 0.14 | 0.45 ± 0.11 | p < 0.0001 |
RR (min-1) | 39.2 ± 8.6 | 55.4 ± 14.2 | p < 0.0001 |
(PTIF+PTEF)/VT (s-1) | 0.27 ± 0.06 | 0.37 ± 0.09 | p < 0.0001 |
tE (s) | 0.98 ± 0.24 | 0.72 ± 0.22 | p < 0.0001 |
VT/tI(mL·s-1·kg-1) | 8.9 ± 2.2 | 11.6 ± 2.8 | p < 0.0001 |
V'E(mL·min-1·kg-1) | 215 ± 51.7 | 276 ± 76.8 | p < 0.0001 |
TIF 50 (L·min-1·kg-1) | 0.75 ± 0.21 | 0.98 ± 0.26 | p < 0.0001 |
PTIF (L·min-1·kg-1) | 0.83 ± 0.20 | 1.05 ± 0.28 | p < 0.0001 |
PTEF/tPTEF (L·s-2·kg-1) | 2.90 ± 1.68 | 5.25 ± 3.66 | p = 0.0001 |
PTEF (L·min-1·kg-1) | 0.64 ± 0.19 | 0.82 ± 0.29 | p = 0.0006 |
tptef (s)*) | 0.24 ± 0.09 | 0.18 ± 0.11 | p = 0.001 |
TEF75 (L·min-1·kg-1) | 0.60 ± 0.20 | 0.76 ± 0.29 | p = 0.003 |
TEF50 (L·min-1·kg-1) | 0.52 ± 0.17 | 0.66 ± 0.25 | p = 0.003 |
TEF25 (L·min-1·kg-1) | 0.38 ± 0.11 | 0.46 ± 0.16 | p = 0.006 |
Vptef (mL/kg)*) | 1.68 ± 0.52 | 1.37 ± 0.44 | p = 0.006 |
VT (mL·kg-1) | 5.57 ± 1.06 | 5.15 ± 1.35 | p = 0.09 |
VPTEF/VT(%)*) | 29.4 ± 6.6% | 27.2 ± 6.1% | p = 0.13 |
tPTEF/tE (%)*) | 25.8 ± 9.7% | 23.2 ± 7.8% | p = 0.20 |