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Table 3 The amount of salbutamol (µg) collected in urine samples 30 min and within 24 h post sample and on ex-vivo filter (n = 12). Values are expressed as mean ± SD

From: Effect of pressures and type of ventilation on aerosol delivery to chronic obstructive pulmonary disease patients

Amount of salbutamol (µg) 30 min Within 24 h ex-vivo filter
Low BiPAP 23.30 ± 8.31 272.07 ± 44.37 1051.29 ± 60.86
High BiPAP 16.22 ± 42.99* 162.20 ± 49.89* 747.64 ± 126.215*
HFNC 18.55 ± 5.91 173.68 ± 35.09* 812.80 ± 105.35*
  1. Values are expressed as mean ± SD
  2. *Significant compared with low BiPAP