Table 1 Baseline characteristics of the subjects
Variable | Nagoya n = 48 | Maebashi n = 58 | Total n = 106 |
|---|---|---|---|
Demographics | |||
Age, years | 64.0 (52.0–70.8) | 64.0 (52.0–71.0) | 64.0 (52.0–71.0) |
Sex, male, n (%) | 41 (85.4) | 46 (79.3) | 87 (82.1) |
Length of stay in hospital, days | 28.0 (19.0–51.0) | 32.5 (19.3–57.8) | 29.0 (19.0–54.0) |
Condition of cardiac arrest | |||
Witness, n (%) | 39 (81.3) | 49 (84.5) | 88 (83.0) |
Bystander, n (%) | 29 (60.4) | 32 (55.2) | 61 (57.5) |
Initial rhythm, shockable, n (%) | 27 (56.3) | 39 (67.2) | 66 (62.3) |
Duration of resuscitation effort, min | 18.0 (12.5–28.5) | 18.0 (8.0–28.0) | 18.0 (10.0–28.8) |
Presumed cardiac etiology, n (%) | 29 (60.4) | 38 (65.5) | 67 (63.2) |
GCS, M ≥ 2, n (%)a | 29 (61.7) | 38 (66.7) | 67 (64.4) |
pHb | 7.07 ± 0.03 | 7.14 ± 0.03 | 7.11 ± 0.02 |
Time to initiation of targeted temperature management, hours | 2.5 (1.5–3.0) | 2.5 (2.0–3.0) | 2.5 (1.5–3.0) |
Time to targeted setting temperature, hours | 4.5 (3.4–6.0) | 5.0 (3.0–9.0) | 5.0 (3.0–7.0) |
Outcome | |||
Good (CPC ≤ 2), n (%) | 21 (43.8) | 24 (41.4) | 45 (42.5) |
Poor (CPC ≥ 3), n (%) | 27 (56.2) | 34 (58.6) | 61 (57.5) |