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Table 2 Characteristics of ICU patients receiving a RBC transfusion between April 1, 2014 and December 31, 2016

From: A retrospective observational analysis of red blood cell transfusion practices in stable, non-bleeding adult patients admitted to nine medical-surgical intensive care units

Characteristic

Total frequency

Total included ICU admissions, n

2287

 Unique patients

2142

Mean age, years (SD)

58.6 (15.5)

 < 55 years, n (%)

810 (35.4)

 55–64 years, n (%)

594 (26.0)

 65–74 years, n (%)

537 (23.5)

 ≥ 75 years, n (%)

346 (15.1)

Gender, n (%)

 Male

1240 (54.2)

 Female

1047 (45.8)

Mean APACHE II score (SD)

24.4 (8.0)

 APACHE II score ≤ 20, n (%)

762 (33.3)

 APACHE II score > 20, n (%)

1525 (66.7)

Mean SOFA score (SD)

9.1 (4.1)

 SOFA score < 10, n (%)

1259 (55.1)

 SOFA score ≥ 10, n (%)

1028 (44.9)

Location transferred from, n (%)

 Emergency department

672 (29.4)

 Operating or recovery room

447 (19.6)

 Other ICU

43 (1.9)

 Other

1125 (49.1)

ICU admit diagnostic category (or surgery for), n (%)

 Infection

612 (26.8)

 Gastrointestinal

350 (15.3)

 Gastrointestinal bleeding

62 (2.7)

 Sepsis

257 (11.2)

 Cardiovascular

232 (10.1)

 Hepatic-renal

164 (7.2)

 Respiratory

135 (5.9)

 Trauma

128 (5.6)

 Pancreatic

56 (2.5)

 Cancer

48 (2.1)

 Orthopedic

32 (1.4)

 Drug overdose

19 (0.8)

 Other

192 (8.4)

Charlson comorbidity index, n (%)

 0

642 (28.1)

 1

540 (23.6)

 ≥ 2

1105 (48.3)

Mechanical ventilation, n (%)

1922 (84.0)

Length of stay

 Median ICU, days (IQR)

8.1 (11.2)

 Mean ICU, days (SD)

12.4 (14.3)

 Median hospital, days (IQR)

25.5 (37.5)

 Mean hospital, days (SD)

40.7 (45.5)

Readmission, n (%)

 ICU within 72 h

61 (2.7)

 Hospital within 30 days

330 (14.4)

 Hospital within 60 days

497 (21.7)

Mortality, n (%)

 ICU mortality

430 (18.8)

 Hospital mortality

664 (29.0)