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Table 3 Change of blood gas parameters between hour 0 and 24 in children treated with nasal high flow for status asthmaticus

From: Nasal high flow in management of children with status asthmaticus: a retrospective observational study

  Hour 0 n = 39 Hour 24 n = 37a p
Venous blood gas, median [IQR]
 pH 7.35 [7.28–7.39] 7.42 [7.39–7.44] p < 0.001
 pCO2 (kPa) 5.6 [4.7–7.7] 4.3 [4.0–4.8] p < 0.001
 Bicarbonates (mmol/L) 22 [20–24] 21 [19–22] p = 0.16
  1. aNasal high flow failed for one patient during the first 24 h, and one patient had no blood gas at day 1