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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)