Table 3.
Haemodynamic Characteristics by Calcium Use
| Calcium use | |||
|---|---|---|---|
| No | Yes | P-value | |
| Age ≤ 1 month | |||
| Number with available arterial line data | 41 | 62 | |
| Lowest systolic pressure (mmHg) 2 – 6 hours prior to CPR | 61.5 [55.5, 69.5] | 61.0 [50.0, 67.0] | 0.4301 |
| Average over 1 minute prior to CPR | |||
| Diastolic pressure (mmHg) | 32.3 [23.6, 37.7] | 26.5 [19.6, 36.5] | 0.0961 |
| Systolic pressure (mmHg) | 42.6 [37.3, 58.6] | 41.2 [30.6, 54.6] | 0.0811 |
| Average over first minute of CPR | |||
| Diastolic pressure ≥25 mmHg | 35 (87.5%) | 39 (65.0%) | 0.0192 |
| Diastolic blood pressure (mmHg) | 32.0 [28.7, 42.8] | 30.2 [21.8, 39.1] | 0.1001 |
| Systolic pressure ≥60 mmHg | 28 (71.8%) | 36 (61.0%) | 0.2892 |
| Systolic blood pressure (mmHg) | 75.0 [58.5, 91.9] | 64.6 [53.3, 82.3] | 0.1041 |
| Average over ten minutes of CPR | |||
| Diastolic pressure ≥25 mmHg | 34 (82.9%) | 50 (80.6%) | 1.0002 |
| Diastolic blood pressure (mmHg) | 33.9 [28.9, 42.8] | 30.9 [25.4, 39.5] | 0.2241 |
| Systolic pressure ≥60 mmHg | 31 (77.5%) | 41 (67.2%) | 0.3692 |
| Systolic blood pressure (mmHg) | 79.5 [62.0, 91.4] | 66.9 [54.6, 83.0] | 0.1421 |
| Age >1 month - < 1 year | |||
| Number with available arterial line data | 88 | 64 | |
| Lowest systolic pressure (mmHg) 2 – 6 hours prior to CPR | 74.0 [64.0, 83.0] | 72.0 [61.0, 82.0] | 0.3101 |
| Average over 1 minute prior to CPR | |||
| Diastolic pressure (mmHg) | 31.9 [26.4, 39.5] | 29.0 [23.5, 37.9] | 0.2321 |
| Systolic pressure (mmHg) | 48.4 [38.3, 72.0] | 44.0 [36.3, 62.2] | 0.2491 |
| Average over first minute of CPR | |||
| Diastolic pressure ≥30 mmHg | 73 (83.9%) | 49 (76.6%) | 0.2992 |
| Diastolic blood pressure (mmHg) | 36.2 [28.6, 45.3] | 30.7 [25.2, 43.4] | 0.0531 |
| Systolic pressure ≥80 mmHg | 59 (68.6%) | 36 (56.3%) | 0.1272 |
| Systolic blood pressure (mmHg) | 73.1 [55.2, 91.5] | 67.0 [50.8, 100.1] | 0.2831 |
| Average over ten minutes of CPR | |||
| Diastolic pressure ≥30 mmHg | 81 (92.0%) | 54 (84.4%) | 0.1922 |
| Diastolic blood pressure (mmHg) | 39.0 [32.4, 51.9] | 35.4 [30.2, 48.6] | 0.1701 |
| Systolic pressure ≥80 mmHg | 65 (74.7%) | 38 (59.4%) | 0.0532 |
| Systolic blood pressure (mmHg) | 78.8 [59.2, 93.6] | 71.7 [52.9, 100.4] | 0.2721 |
| Age 1 year - < 8 years | |||
| Number with available arterial line data | 46 | 32 | |
| Lowest systolic pressure (mmHg) 2 – 6 hours prior to CPR | 76.0 [70.0, 87.0] | 80.0 [63.0, 93.0] | 0.5851 |
| Average over 1 minute prior to CPR | |||
| Diastolic pressure (mmHg) | 30.6 [23.8, 39.3] | 31.0 [27.2, 42.7] | 0.9021 |
| Systolic pressure (mmHg) | 46.9 [39.2, 66.0] | 53.1 [31.0, 63.6] | 0.7901 |
| Average over first minute of CPR | |||
| Diastolic pressure ≥30 mmHg | 33 (71.7%) | 22 (73.3%) | 1.0002 |
| Diastolic blood pressure (mmHg) | 35.9 [28.4, 50.8] | 35.5 [27.9, 42.5] | 0.6821 |
| Systolic pressure ≥80 mmHg | 21 (46.7%) | 12 (40.0%) | 0.6392 |
| Systolic blood pressure (mmHg) | 71.6 [57.9, 103.7] | 77.3 [60.9, 90.9] | 0.6071 |
| Average over ten minutes of CPR | |||
| Diastolic pressure ≥30 mmHg | 41 (89.1%) | 24 (75.0%) | 0.1272 |
| Diastolic blood pressure (mmHg) | 44.5 [37.7, 54.6] | 41.4 [29.4, 53.9] | 0.1691 |
| Systolic pressure ≥80 mmHg | 31 (68.9%) | 20 (62.5%) | 0.6292 |
| Systolic blood pressure (mmHg) | 94.5 [72.8, 115.3] | 84.1 [64.6, 98.5] | 0.0851 |
| Age 8 years - < 19 years | |||
| Number with available arterial line data | 34 | 33 | |
| Lowest systolic pressure (mmHg) 2 – 6 hours prior to CPR | 81.0 [69.0, 99.0] | 92.0 [71.0, 109.0] | 0.2171 |
| Average over 1 minute prior to CPR | |||
| Diastolic pressure (mmHg) | 34.2 [25.9, 42.7] | 28.1 [21.8, 43.3] | 0.3761 |
| Systolic pressure (mmHg) | 47.0 [35.1, 72.9] | 41.2 [30.6, 63.8] | 0.3001 |
| Average over first minute of CPR | |||
| Diastolic pressure ≥30 mmHg | 26 (83.9%) | 24 (75.0%) | 0.5362 |
| Diastolic blood pressure (mmHg) | 40.5 [33.6, 57.4] | 37.7 [29.2, 47.9] | 0.0951 |
| Systolic pressure ≥80 mmHg | 19 (63.3%) | 16 (50.0%) | 0.3172 |
| Systolic blood pressure (mmHg) | 101.5 [68.6, 129.9] | 80.3 [55.4, 110.6] | 0.1371 |
| Average over ten minutes of CPR | |||
| Diastolic pressure ≥30 mmHg | 30 (88.2%) | 28 (84.8%) | 0.7342 |
| Diastolic blood pressure (mmHg) | 44.4 [34.6, 76.3] | 41.7 [34.1, 60.2] | 0.4331 |
| Systolic pressure ≥80 mmHg | 25 (75.8%) | 22 (66.7%) | 0.5872 |
| Systolic blood pressure (mmHg) | 104.0 [86.1, 138.2] | 114.3 [73.3, 133.9] | 0.6171 |
CPR=cardiopulmonary resuscitation.
1
Wilcoxon rank-sum test.
2
Fisher’s exact test.