Table 2. Patient characteristics (data updated to 15 ^th March 2020).

Characteristics	Patients, n (%) (N= 8721)
Age-mean (SD) in years	56.9 (18.9)
Gender Male Female	5355 (61.4) 3366 (38.6)
Admission Type Planned Unplanned	1084 (12.4) 7637 (87.6)
Ventilation status at admission Non-ventilated Mechanically ventilated Non-invasive ventilated Not Recorded	5960 (68.3) 2066 (23.7) 408 (4.7) 287 (3.3)
Number of vasopressors at admission 1 2 More than 2 None Not Recorded	1093 (12.5) 299 (3.4) 119 (1.4) 6922 (79.3) 288 (3.3)
Antibiotics on admission Yes No Not Recorded	5333 (61.1) 3085 (35.4) 3030 (3.5)
Sedated on admission Yes No Not Recorded	1318 (15.1) 7127 (81.7) 276 (3.2)
Reason for admission (APACHE IV Coding) Cardiovascular diagnosis Neurologic Respiratory Gastrointestinal Genitourinary Metabolic/Endocrine Trauma Haematology Trauma Musculoskeletal/Skin Cardiac surgery Transplant Not Recorded	2070(23.7) 1787 (20.5) 1448 (16.6) 990 (11.3) 686 (7.9) 471 (5.4) 403 (4.6) 400 (4.6) 355 (4.0) 67(0.8) 13 (0.1) 29 (0.3)
Overall APACHE II score mean(SD)	20.0(6.9)
Status at ICU discharge Alive Dead In ICU Not Recorded	7591 (87.0) 788 (9.0) 324 (3.7) 18 (0.2)