Table 3.

Bivariate Analysis of Characteristics of Ventilator Management for Infants on the Ventilator at 48 Hours of Age

CLD
(n = 185)
No CLD
(n = 238)
P
Value
PIP (cm H2O)*17.8  ± 4.217.6  ± 3.7.650
PIP ≥21 (%)2019.785
PEEP (cm H2O)*4.2  ± 1.14.2  ± .7.670
PEEP ≥5 (%)2225.421
IMV (per min)*27.4  ± 13.422.5  ± 12.0.0001
IMV ≥30 (%)4124.001
MAP (cm H2O)*6.9  ± 2.16.5  ± 2.0.050
MAP ≥8 (%)3223.040
Inspiratory time (sec)*.43  ± .06.44  ± .06.003
I-Time ≥.5 (%)2848.001
pH*7.33  ± .057.34  ± .06.003
pH ≥7.36 (%)2127.181
Paco2 (mm Hg)*42  ± 7.840  ± 7.1.008
Paco2 ≤36 (%)2229.106
Pao2 (mm Hg)*79  ± 2974  ± 22.040
Pao2 ≥87 (%)2822.146
Fio2 (%)*39.7  ± 1733.4  ± 13.0001
Fio2 ≥42 (%)3120.006
  • * Results are mean ± standard deviation.

  • Represents top quartile for variable.