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Table 2: Patient clinical and perfusion data
Patient Sex Age pCO₂ pH O₂ HCO₃ HCT Hours from MR GM Mean
Hypercapnia 
    1 F 60 76.6 7.30 122.5 37.2 26.0 5.5 168.4
    2 M 66 64.4 7.25 71.0 27.3 30.0 2 220.0
    3 M 77 60.0 7.26 33.0 25.8 30.6 8 93.0
    4 M 56 57.3 7.37 74.4 32.8 28.0 26 184.1
    5 F 64 56.3 7.36 70.6 31.4 30.3 36 175.3
    6 F 65 55.5 7.24 241.5 23.1 30.9 8 109.6
    7 F 59 52.9 7.40 73.8 32.6 28.8 12 133.3
    8 F 2 50.7 7.32 45.0 26.6 32.7 18 83.3
    9 M 3 50.6 7.32 50.2 26.6 29.3 12 125.7
    10 F 62 50.0 7.40 102.6 30.4 31.6 15 149.0
    11 M 72 49.4 7.28 64.0 23.1 33.1 7 172.0
    12 F 70 47.3 7.30 83.5 23.1 29.3 6 141.0
    13 M 46 46.4 7.43 297.0 30.2 30.7 7 116.0
    14 F 74 45.4 7.38 80.8 26.6 28.7 2 97.0
    15 F 62 62.3 7.28 124.9 28.9 23.5 40 199.9
    16 M 76 45.2 7.43 89.2 29.4 24.8 12 117.0
Hypercapnia average 57.1 54.4 7.33 101.5 28.4 29.3 13.5 142.8
Normocapnia 
    1 F 60 44.8 7.47 98.2 32.2 34.9 17 86.4
    2 M 21 43.7 7.39 102 26.4 41 8 63.7
    3 F 49 43.0 7.28 36.4 19.8 34.5 1 107.3
    4 F 65 42.8 7.33 110.8 22.1 31.1 10 57.0
    5 M 31 42.7 7.43 58.9 28 29.9 9 52.3
    6 M 34 41.0 7.35 113 22.1 31.6 3 78.5
    7 M 54 40.9 7.36 72.6 23 34.5 20 106.3
    8 M 57 38.8 7.41 75.3 24.5 37.4 4 62.9
    9 M 37 37.8 7.46 80.7 26.3 40.2 10 79.9
    10 F 40 37.4 7.42 128.1 23.8 29 11 87.1
    11 M 59 37.3 7.40 80.2 22.7 28.1 13 65.4
    12 M 72 36.4 7.39 84.8 21.5 40.5 0.5 36.3
    13 M 82 35.4 7.37 90.1 20.3 25.3 24 59.0
    14 M 37 35.1 7.47 199.5 25 41 5 27.9
Normocapnia average 49.9 39.8 7.40 95.0 24.1 34.2 9.7 69.3
Hypocapnia 
    1 F 61 34.5 7.46 53.6 23.8 37.4 15 25.7
    2 F 58 34.4 7.45 100 23.6 35.3 22 25.6
    3 M 85 33.7 7.45 96.2 23.2 25.5 1.5 71.5
    4 M 57 33.6 7.43 86.6 22.2 38.6 18 76.1
    5 M 40 33.2 7.52 84.3 26.9 35.3 12.5 33.0
    6 M 76 32.9 7.45 88.7 22.4 40.9 3 49.0
    7 M 56 32.5 7.43 131.6 20.9 27.7 6 49.8
    8 M 56 32.4 7.46 63.3 22.5 33.5 4 47.3
    9 F 65 32.2 7.50 70.6 24.7 35.4 19 44.5
    10 M 25 31.8 7.52 64.2 25.9 32.9 17 60.4
    11 M 71 30.6 7.45 88.4 21.1 32.4 16 42.2
    12 F 57 29.5 7.56 98.1 26.6 21.4 6 30.0
    13 F 71 28.6 7.56 129.6 25.1 38.5 2 23.1
    14 M 65 28.4 7.50 132.8 21.7 24.6 9 24.4
    15 F 54 25.1 7.47 90.1 17.9 26.9 5 35.0
Hypocapnia average 59.8 31.6 7.48 91.9 23.2 32.4 10.4 42.5
Note:—GM indicates gray matter.