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Table 2 End-tidal gas targeting

From: Brain BOLD MRI O2 and CO2 stress testing: implications for perioperative neurocognitive disorder following surgery

Study number

Baseline CO2

Hypocapnic CO2

Ramp peak CO2

Baseline O2

Ramp peak O2

1

45.5

41.2

53

103.5

534

2

40.2

35.5

50.1

110

411

3

37.8

31

46.6

102.5

489

4

38.1

32.3

45.2

99.7

461

5

43.2

38.3

53.1

101.8

427

6

41.7

36.6

51.9

100.1

461

7

40.9

37.6

53.1

110.2

415

8

48.1

43.4

57.4

99.8

409

9

40.8

36.9

49

104.2

463

10

42.9

37.1

53.8

101.9

522

11

41.6

38.6

51.2

101.5

541

12

43.1

38.9

52.1

99.5

565

Mean

42.0

37.3

51.4

102.9

474.8

SD

2.9

3.4

3.3

3.7

55