| Post-arrest systolic BP (0–6 h)a | P value | Post-arrest diastolic BP (0–6 h)a | P value | ||
---|---|---|---|---|---|---|
 |  > 10th percentile (N = 100) |  < 10th percentile (N = 127) |  > 50th percentile (N = 121) |  < 50th percentile (N = 106) | ||
Intra-arrest event characteristics | ||||||
 Average systolic blood pressure (mmHg) | ||||||
  Age ≤ 1 year | 82.0 [68.9, 103.3] | 72.2 [58.4, 87.9] | 0.006c | 81.7 [64.8, 94.8] | 67.2 [54.6, 82.3] | 0.004c |
  Age > 1 year | 101.6 [85.1, 124.6] | 90.3 [69.3, 116.2] | 0.205c | 104.5 [95.1, 127.1] | 90.3 [72.6, 115.4] | 0.070c |
  Average systolic blood pressure ≥ 60 mmHg for age < 1 year or ≥ 80 mmHg for age ≥ 1 year | 78 (78.0%) | 87 (68.5%) | 0.283b | 96 (79.3%) | 69 (65.1%) | 0.009b |
 Average diastolic blood pressure (mmHg) | ||||||
  Age ≤ 1 year | 41.1 [32.3, 48.6] | 36.3 [30.1, 47.0] | 0.176c | 41.5 [32.0, 49.9] | 34.6 [29.5, 46.0] | 0.026c |
  Age > 1 year | 43.4 [37.5, 60.6] | 44.5 [34.5, 54.7] | 0.628c | 53.8 [40.4, 63.7] | 42.9 [34.5, 53.4] | 0.052c |
  Average diastolic blood pressure ≥ 25 mmHg for age < 1 year or ≥ 30 mmHg for age ≥ 1 year | 92 (92.0%) | 114 (89.8%) | 0.648b | 112 (92.6%) | 94 (88.7%) | 0.363b |
  Average chest compression rate over the first 10 min | 121.6 [112.7, 132.7] | 124.6 [113.4, 132.8] | 0.719c | 121.97 [112.14, 132.00] | 124.74 [116.30, 133.01] | 0.256c |
  Average chest compression fraction ≥ 0.80 | 96 (96.0%) | 117 (92.1%) | 0.276b | 116 (95.9%) | 97 (91.5%) | 0.268b |
  Average chest compression fraction over the first 10 min | 1.0 [0.9, 1.0] | 1.0 [0.9, 1.0] | 0.078c | 0.98 [0.95, 1.00] | 0.98 [0.92, 1.00] | 0.336c |