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. 2023 Oct 31;27:414. doi: 10.1186/s13054-023-04708-y

Table 1.

Characteristics of the patients

Number of patients n (%) 367 (100)
Male, n (%) 219 (59.7)
Age in years, median (IQR) 61 (49–72)
Weight Kg, median (IQR) 70 (60–80)
Height cm, mean (SD) 163.6 (10)
Body mass index kg/m2, Median (IQR) 25.3 (21.7–29.1)
Active Smoking, n (%) 33 (9)
Active alcoholism, n (%) 22 (6)
Reason for ICU admission, n (%)
 Medical 345 (94)
 Surgical (only postsurgical) 22 (6)
Type of ventilatory failure, n (%)
 Shock 52 (14.9)
 Hypercapnia (pH < 7.25, high CO2) 23 (6.6)
 Hypoxemia (PaO2 < 60, usual FiO2) 261 (75)
 Neuromuscular 2 (0.6)
 Perioperative 10 (2.9)
Immunosuppression, n (%) 72 (19.6)
 Pharmacological, n (%) 25 (6.8)
 HIV, n (%) 10 (2.7)
 Others, n (%) 63 (17.2)
Comorbidities, n (%)
 Diabetes Mellitus 113 (30.8)
 Hypertension 173 (47.1)
 Asthma 8 (2.2)
 Pulmonary fibrosis 6 (1.6)
 Chronic kidney disease 69 (18.8)
 Chronic liver disease 17 (4.6)
Neoplasms, n (%)
 Hematological 7 (1.9)
 Solid neoplasms 2 (0.5)
 Solid neoplasms Chest 1 (0.3)
 Solid neoplasms Abdomen 9 (2.4)
 Solid musculoskeletal neoplasms 4 (1.1)

IQR interquartile range, SD standard deviation, Kg kilograms, cm centimeters, ICU intensive care unit. CNS central nervous system