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Table 3 Hyperoxic exercise session

From: Hyperoxia increases arterial oxygen pressure during exercise in type 2 diabetes patients: a feasibility study

  T1 T2 T3 T4 T5 T6
pO2 (kPa) 13.4 ± 1.1 13.9 ± 1.2 18.5 ± 1.5a 21.7 ± 1,7a 24.0 ± 2.3a 13.5 ± 1.5
Oxygen content (mmol/L) 8.3 ± 1.0 8.3 ± 0.9 8.3 ± 1.0 8.6 ± 1.2 8.4 ± 1.0 8.2 ± 1.1
pCO2 (kPa) 4.9 ± 0.5 5.1 ± 0.3 5.1 ± 0.4 5.1 ± 0.4 5.0 ± 0.5 4.9 ± 0.5
pH 7.40 ± 0.02 7.39 ± 0.02 7.40 ± 0.01 7.40 ± 0.02 7.40 ± 0.03 7.41 ± 0.02b
Lactate (mmol/L) 1.96 ± 0.80 2.36 ± 0.94 2.21 ± 1.01 2.13 ± 1.09 2.00 ± 1.09 2.03 ± 1.10
Heart rate (bpm) 86 ± 11c 102 ± 13 102 ± 13 102 ± 12 106 ± 12 110 ± 13c
Systolic blood pressure (mmHg) 159.4 ± 19.5d 192.6 ± 31.7 186.1 ± 30.0 186.0 ± 29.7 183.3 ± 33.5 187.1 ± 27.3
Diastolic blood pressure (mmHg) 85.6 ± 10.2 90.5 ± 11.0 88.9 ± 11.1 89.1 ± 9.9 89.0 ± 11.7 89.7 ± 10.1
Rate pressure product 13,626 ± 2483e 19,722 ± 4569 19,106 ± 4000 19,062 ± 4115 19,471 ± 5112 20,627 ± 4137e
Mean arterial pressure (mmHg) 110.2 ± 12.4 124.5 ± 17.1 121.3 ± 16.6 121.4 ± 15.6 120.5 ± 18.2 122.2 ± 15.0
Rate of perceived exertion (/20) 6.0 ± 0.0f 9.8 ± 2.0 10.8 ± 2.6 11.6 ± 3.3 12.3 ± 4.3 13.1 ± 4.9
  1. aT3–5 are significantly different from T1, T2 and T6, and each other (p < 0.05)
  2. bT6 is significantly higher than T2 and T3 (p < 0.05)
  3. cT1 is significantly lower than T2–6. T6 is significantly higher than T1, T3, and T4 (p < 0.05)
  4. dT1 is significantly lower than T2, T3 and T6 (p < 0.05)
  5. eT1 is significantly lower than T2–6. T6 is significantly higher than T1 and T3 (p < 0.05)
  6. fT1 is significantly lower T2–T6 (p < 0.05)