Skip to main content

Table 1 Patients’ characteristics and comorbidities. Anemia was defined based on the lowest hemoglobin in the 48 h preceding the arrest—categorial variables. Values are presents as n (%)

From: Anemia before in-hospital cardiac arrest and survival from cardio-pulmonary resuscitation—a retrospective cohort study

 

Total (n = 773)

No anemia (n = 383)

Anemia (n = 390)

P Value

Characteristics

  Male sex

431 (55.8)

207 (54)

224 (57.4)

0.343

Cause of arrest

    

  Cardiac

303 (39.2)

165 (43.1)

138 (35.4)

0.024

  Respiratory

300 (38.8)

142 (37.1)

158 (40.5)

  Metabolic

25 (3.2)

5 (1.3)

20 (5.1)

  Neurologic

9 (1.2)

4 (1)

5 (1.3)

  Infection

76 (9.8)

40 (10.4)

36 (9.2)

  Other

23 (3)

10 (2.6)

13 (3.3)

  Initial shockable rhythm

78 (10.1)

48 (12.5)

30 (7.7)

0.027

  Blood transfusion 72 h prior to CPR

99 (12.8)

11 (2.9)

88 (22.6)

 < 0.001

  Event witnessed

431 (55.8)

224 (58.5)

207 (53.1)

0.086

  Chest compressions

763 (98.7)

380 (99.2)

383 (98.2)

0.505

  Shock delivered

188 (24.3)

99 (25.8)

89 (22.8)

0.326

  Lidocaine given

18 (2.3)

10 (2.6)

8 (2.1)

0.589

  Amiodarone given

85 (11)

45 (11.7)

40 (10.3)

0.471

  ROSC

383 (49.5)

188 (49.1)

195 (50)

0.799

  ECPR

10 (1.3)

7 (1.8)

3 (0.8)

0.213

  TTM

2 (0.3)

1 (0.3)

1 (0.3)

1.000

  Coronary angiography

26 (3.4)

20 (5.2)

6 (1.5)

0.003

  Coronary reperfusion attempt

20 (2.6)

15 (3.9)

5 (1.3)

0.017

  Survival to discharge

70 (9.1)

40 (10.4)

30 (7.7)

0.183

Discharge destination

    

  Home

25 (3.2)

18 (4.7)

7 (1.8)

0.082

  Rehabilitation

17 (2.2)

10 (2.6)

7 (1.8)

  Nursing home

4 (0.5)

3 (0.8)

1 (0.3)

  Ventilated ward

19 (2.5)

7 (1.8)

12 (3.1)

  Deceased

703 (90.9)

343 (89.6)

360 (92.3)

Comorbidities

  Acute MI

98 (12.7)

52 (13.6)

46 (11.8)

0.457

  Old MI

38 (4.9)

22 (5.7)

16 (4.1)

0.291

  CHF

289 (37.4)

151 (39.4)

138 (35.4)

0.246

  PVD

22 (2.8)

10 (2.6)

12 (3.1)

0.697

  Acute CVA

35 (4.5)

24 (6.3)

11 (2.8)

0.021

  History of CVA

107 (13.8)

51 (13.3)

56 (14.4)

0.675

  Dementia

57 (7.4)

37 (9.7)

20 (5.1)

0.016

  Pulmonary disease

73 (9.4)

40 (10.4)

33 (8.5)

0.346

  Connective tissue disease

6 (0.8)

4 (1)

2 (0.5)

0.447

  Gastrointestinal ulcer

8 (1)

4 (1)

4 (1)

1.000

  Liver disease

16 (2.1)

5 (1.3)

11 (2.8)

0.139

  Diabetes mellitus

309 (40)

138 (36)

171 (43.8)

0.027

  Paraplegia

0 (0)

0 (0)

0 (0)

 

  Renal failure

148 (19.1)

57 (14.9)

91 (23.3)

0.003

  Solid tumors

119 (15.4)

49 (12.8)

70 (17.9)

0.047

  Hematologic malignancy

26 (3.4)

7 (1.8)

19 (4.9)

0.019

  AIDS

0 (0)

0 (0)

0 (0)

 
  1. CPR cardio-pulmonary resuscitation, ROSC return of spontaneous circulation, ECPR extracorporeal cardiopulmonary resuscitation, TTM targeted temperature management, MI myocardial infarction, CHF congestive heart failure, PVD peripheral vascular disease, CVA cerebrovascular accident, AIDS acquired immune deficiency syndrome
  2. Missing data—cause of arrest–37 (4.8%), initial shockable rhythm–32 (4.1%), event witnessed–20 (2.6%), chest compressions–1 (0.1%), shock delivered–2 (0.3%), lidocaine and amiodarone–26 (3.4%), ECPR, TTM, coronary angiography, and coronary reperfusion attempt–390 (50.5%), discharge destination–5 (0.6%)