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Table 2 Comparison between hemodynamic parameters: bi-level vs nasal CPAP (mean ± SD)

From: Bi-level CPAP does not change central blood flow in preterm infants with respiratory distress syndrome

  nCPAP Bilevel p
LVO (ml/kg/min) 222.17 ± 81.4 211.4 ± 75.3 .35
VTI (cm) 8.25 ± 2 7.93 ± 1.3 .42
SV (ml) 1.49 ± 0.6 1.41 ± 0.4 .35
RVO (ml/kg)min) 287.8 ± 96 283.4 ± 87.4 .71
VTI (cm) 10.17 ± 2.8 9.86 ± 1.8 .56
SV (ml) 1.97 ± 0.7 1.96 ± 0.6 .85
SVC (ml/kg/min) 135.38 ± 47.8 137.48 ± 46.6 .50
VTI (cm) 11.3 ± 3.2 11.87 ± 2.9 .35
HR (bpm) 146.88 ± 2.07 143.55 ± 1.56 .61
pCO2 (mm Hg) 47.96 ± 6.9 43.66 ± 4.5 .01