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Table 1 Demographic and clinical characteristics at hospitalization of severe or critically ill COVID-19 patients

From: Dynamic trajectory of platelet-related indicators and survival of severe COVID-19 patients

Characteristics NMissing (%) Total (n = 112) Survived (n = 81) Dead (n = 31)
Age [mean (SD)]   61.0 (14.9) 57.1 (13.8) 71.0 (13.0)
Male [n (%)]   73 (65.2) 54 (66.7) 19 (61.3)
Vital signs [mean (SD)]
 Temperature (°C) 2 (1.8) 37.3 (0.8) 37.3 (0.8) 37.2 (0.8)
 Heart rate (beats/min) 29 (25.9) 89.4 (17.7) 87.1 (16.7) 94.4 (19.0)
 Respiratory rate (Breaths/min) 5 (4.5) 24.8 (5.6) 25.1 (5.9) 24.1 (4.9)
Blood pressure (mm Hg)
 Diastolic 5 (4.5) 73.2 (13.7) 73.3 (14.7) 72.8 (11.0)
 Systolic 5 (4.5) 124.9 (17.3) 124.0 (18.0) 127.0 (15.7)
Symptoms [n (%)]
 Fever   91 (81.2) 67 (82.7) 24 (77.4)
 Cough   86 (76.8) 62 (76.5) 24 (77.4)
 Chest tightness   73 (65.2) 56 (69.1) 17 (54.8)
 Fatigue   65 (58.0) 54 (66.7) 11 (35.5)
 Shortness of breath   34 (30.4) 21 (25.9) 13 (41.9)
 Phlegm   28 (25.0) 20 (24.7) 8 (25.8)
 Dyspnea   25 (22.3) 14 (17.3) 11 (35.5)
 Diarrhea   19 (17.0) 15 (18.5) 4 (12.9)
 Headache   9 (8.0) 7 (8.6) 2 (6.5)
 Myalgia   6 (5.4) 5 (6.2) 1 (3.2)
 Sore throat   5 (4.5) 4 (4.9) 1 (3.2)
 Nausea and vomiting   5 (4.5) 2 (2.5) 3 (9.7)
Imaging abnormalitya   18 (16.1) 13 (16.0) 5 (16.1)
No. of symptoms [n (%)]
 0   2 (1.8)   2 (6.5)
 1   4 (3.6) 4 (4.9)  
 2   15 (13.4) 10 (12.3) 5 (16.1)
 3   20 (17.9) 15 (18.5) 5 (16.1)
 4   30 (26.8) 23 (28.4) 7 (22.6)
 5   23 (20.5) 16 (19.8) 7 (22.6)
 6   12 (10.7) 8 (9.9) 4 (12.9)
 ≥ 7   6 (5.4) 5 (6.2) 1 (3.2)
Comorbidities [n (%)]
 Hypertension   40 (35.7) 26(32.1) 14 (45.2)
 Respiratory failure   27 (24.1) 16 (19.8) 11 (35.5)
 Cardiovascular disease   17 (15.2) 10 (12.3) 7 (22.6)
 Diabetes   21 (18.8) 15 (18.5) 6 (19.4)
 Acute lung injury   14 (12.5) 9 (11.1) 5 (16.1)
 COPDb   5 (4.5) 2 (2.5) 3 (9.7)
 Bacterial pneumonia   3 (2.7) 2 (2.5) 1 (3.2)
 Hepatic injury   3 (2.7) 3 (3.7)  
 Septic shock   3 (2.7) 2 (2.5) 1 (3.2)
 Cerebral infarction   2 (1.8) 1 (1.2) 1 (3.2)
 Acute kidney injury   1 (0.9) 1 (1.2)  
 Cerebral hemorrhage   1 (0.9) 1 (1.2)  
 Sepsis   1 (0.9) 1 (1.2)  
N of comorbidities [n (%)]
 0   46 (41.1) 36 (44.4) 10 (32.3)
 1   26 (23.2) 20 (24.7) 6 (19.4)
 2   19 (17.0) 13 (16.0) 6 (19.4)
 3   13 (11.6) 7 (8.6) 6 (19.4)
 4   4 (3.6) 2 (2.5) 2 (6.5)
 5   1 (0.9) 1 (1.2) 0 (0)
 ≥ 6   3 (2.7) 2 (2.5) 1 (3.2)
Worst severity in hospital
 Severe   63 63 0
 Critical illness [n (%)]   49 18 31
  1. SD standard deviation
  2. aIncluding chest radiography and computed tomography (CT)
  3. bChronic obstructive pulmonary disease