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Table 1 Subject characteristics during breathing a gas mixture with 19.8% and 14.8% O2

From: Mild poikilocapnic hypoxia increases very low frequency haemoglobin oxygenation oscillations in prefrontal cortex

 

Gas mixture with 19.8% O2

Gas mixture with 14.8% O2

HR (beats/min)

\(60.87_{68.41}^{54.34}\)

\(66.41_{75.75}^{57.38}\)***

DBP (mmHg)

\(65.45_{70.74}^{59.55}\)

\(69.36_{74.26}^{62.56}\)*

SBP (mmHg)

\(113.98_{120.18}^{103.98}\)

\(119.63_{129.35}^{110.63}\)***

MAP (mmHg)

\(82.09_{88.35}^{74.77}\)

\(87.51_{91.84}^{79.91}\)*

SASLEFT (AU)

\(0.19_{0.25}^{0.15}\)

\(0.17_{0.23}^{0.14}\)*

HbO2 RIGHT (%O2)

\(0.71_{0.87}^{0.54}\)

\(0.52_{0.56}^{0.36}\)***

tHb (µM)

\(9.28_{11.36}^{7.55}\)

\(14.76_{16.64}^{13.02}\)**

SaO2 (%O2)

\(98_{99}^{97}\)

\(92_{94}^{91}\)***

EtCO2 (mmHg)

\(33.11_{35.17}^{31.63}\)

\(31.59_{33.75}^{30.05}\)***

EtO2 (mmHg)

\(127.65_{130.43}^{124.54}\)

\(96.52_{99.78}^{94.25}\)***

  1. Values shown are \({\text{median}}_{{75{\text{th percentiles}}}}^{{25{\text{th percentiles}}}}\). p values were estimated between two stages of the experimental procedure
  2. HR heart rate; DBP diastolic blood pressure; SBP systolic blood pressure; MAP mean arterial pressure, SASLEFT subarachnoid width; HbO2 RIGHT relative changes in oxyhaemoglobin; tHb relative changes in total haemoglobin; SaO2 oxyhaemoglobin saturation; EtCO2 end-tidal CO2; EtO2 end-tidal O2
  3. *p  < 0.05; **p  < 0.01; ***p  < 0.001