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Table 2 Characteristics of patients with and without intensive care unit cardiac arrest

From: Intensive care unit cardiac arrest among very elderly critically ill patients – is cardiopulmonary resuscitation justified?

Variables

Non ICU-CA

(n = 1083)

ICU-CA

(n = 25)

p-value

Age (years)

92.3 (91.0–94.2)

91.8 (90.9–93.0)

0.19

Weight (kg)

65 (55–74)

65 (60–70)

0.79

Height (cm)

165 (160–170)

170 (165–173)

0.16

Female

733 (68)

14 (56)

0.83

Primary Admission

   

- Medical

364 (34)

12 (48)

0.13

- Surgical – planned

401 (37)

8 (32)

0.61

- Surgical – emergency

311 (29)

5 (20)

0.34

Disease Severity

   

- Charlson comorb. index, pts.

1 (0–2)

2 (1–3)

0.54

- SAPS II – admission (pts.)

36 (28–46)

54 (39–65)

< 0.001

- SOFA – admission (pts.)

2 (1–5)

5 (2–9)

< 0.01

- SOFA – 24 h (pts.)

2 (1–4)

6 (2–10)

< 0.01

Admission characteristics

   

- MAP – adm. (mmHg)

86 (72–102)

79 (63–94)

0.11

- HR – adm. (per min)

80 (65–97)

91 (85–130)

< 0.001

- Temperature – adm. (C°)

36.2(35.5–36.8)

36.5 (35.9–36.9)

0.31

- Vasopressor – adm.

358 (33)

13 (52)

< 0.05

- Invasive MV – adm.

310 (29)

12 (48)

< 0.05

- paO2 – adm. (mmHg)

92.7 (73.7–130.8)

117 (79.9–186.0)

0.15

- paCO2 – adm. (mmHg)

41.0 (36.4–46.5)

43.9 (40.3–47.7)

0.12

- pH – adm.

7.37 (7.33–7.42)

7.32 (7.27–7.38)

< 0.01

- Lactate – adm. (mmol/l)

1.1 (0.8–1.8)

2.0 (1.5–3.2)

< 0.001

Procedures/Therapies - ICU

   

- Vasopressors

446 (41)

22 (88)

< 0.001

- Invasive MV

373 (34)

16 (64)

< 0.01

- Duration of MV (days)

0.5 (0.2–1.3)

0.8 (0.4–1.0)

0.57

- Renal replacement therapy

26 (2)

5 (20)

< 0.001

- Tracheostomy

14 (1)

0 (0)

0.57

- Lactate – max. (mmol/l)

1.7 (1.2–2.6)

4.8 (2.5–9.1)

< 0.001

- pH - nadir

7.36 (7.30–7.43)

7.18 (7.05–7.31)

< 0.001

Outcome

   

- Duration ICU stay (days)

1.6 (0.9–3.4)

2.3 (0.6–6.0)

0.92

- Duration hospital stay (days)

11.0 (7.0–16.7)

7.0 (1.9–14.0)

< 0.05

- Died in ICU

179 (17)

22 (88)

< 0.001

- Died in hospital

306 (28)

25 (100)

< 0.001

  1. Data are expressed as n (%) or median (interquartile range – IQR 25/75%)
  2. Abbreviations: kg, kilogram; cm, centimeter, SAPS, simplified acute physiology score; SOFA, sequential organ failure assessment; pts, points; MV, mechanical ventilation; ICU, intensive care unit; adm, admission; CA, cardiac arrest; HR, heart rate; MAP, mean arterial pressure;
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Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine

ISSN: 1757-7241