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. 2021 Feb 28;18(2):94–103. doi: 10.11909/j.issn.1671-5411.2021.02.005

1. Baseline characteristics of intensive cardiac care unit admissions.

Characteristics All (n = 2,337) Survivors (n = 2,160) Non-survivors (n = 177)
Data are presented as means ± SD or n (%). All the P-value for statistical tests to detect differences was less than 0.005 except that for gender and temperature on admission. NYHA: New York Heart Association.
Age, yrs 65.6 ± 14.2 65.3 ± 14.2 69.1 ± 13.5
Age ≥ 65 yrs 1,353 (57.9%) 1,230 (56.9%) 123 (69.5%)
Female 748 (32.0%) 687 (31.8%) 61 (34.5%)
Source of admission
 Department of Emergency 1,604 (68.6%) 1,459 (67.5%) 145 (81.9%)
 General ward of Cardiology 620 (26.5%) 593 (27.5%) 27 (15.3%)
 Other Departments 113 (4.8%) 108 (5.0%) 5 (2.8%)
Type of admission
 Medical 518 (22.2%) 409 (18.9%) 109 (61.6%)
 Scheduled procedure 1,083 (46.2%) 1,065 (49.3%) 18 (10.2%)
 Unscheduled procedure 736 (31.5%) 686 (31.8%) 50 (28.2%)
Vital signs on admission
 Temperature, °C 36.3 ± 1.7 36.4 ± 0.7 35.6 ± 5.5
 Respiratory rate, per min 20.3 ± 3.8 20.2 ± 3.4 21.2 ± 6.8
 Heart rates, beats/min 79.9 ± 21.5 78.6 ± 19.9 95.6 ± 31.8
 Systolic blood pressure, mm Hg 125.1 ± 44.5 126.7 ± 44.6 104.9 ± 37.7
 Diastolic blood pressure, mm Hg 72.6 ± 16.3 73.5 ± 15.0 61.8 ± 25.3
 Charlson Comorbidity Index 2.4 ± 1.8 2.2 ± 1.7 4.6 ± 2.3
 Oxford Acute Severity of Illness Score 22.5 ± 10.4 20.9 ± 8.2 42.0 ± 14.7
NYHA functional classification
 I 776 (33.2%) 773 (35.8%) 3 (1.7%)
 II 398 (17.0%) 392 (18.1%) 6 (3.4%)
 III 423 (18.1%) 415 (19.2%) 8 (4.5%)
 IV 526 (22.5%) 367 (17.0%) 159 (89.8%)
Cardiogenic shock 176 (7.5%) 63 (2.9%) 113 (63.8%)
Ventricular tachycardia/Fibrillation 159 (6.8%) 114 (5.3%) 45 (25.4%)
Major acute noncardiovascular critical illnesses
 Acute respiratory failure 342 (14.6%) 192 (8.9%) 150 (84.7%)
 Acute kidney injury 321 (13.7%) 208 (9.6%) 113 (63.8%)
 Sepsis 98 (4.2%) 48 (2.2%) 50 (28.2%)
 Gastrointestinal bleeding 78 (3.3%) 43 (2.0%) 35 (19.8%)