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Table 5 The distribution of cerebral performance category score at 1 month and the cause of death

From: Background frequency can enhance the prognostication power of EEG patterns categories in comatose cardiac arrest survivors: a prospective, multicenter, observational cohort study

Variable

Total (N = 489)

Highly malignant or malignant patterns with delta or undetermined frequency

Yes (N = 239)

No (N = 250)

CPC 1

134 (27.4%)

2 (0.8%)

132 (52.8%)

CPC 2

14 (2.9%)

1 (0.4%)

13 (5.2%)

CPC 3

19 (3.9%)

4 (1.7%)

15 (6.0%)

CPC 4

91 (18.6%)

53 (22.2%)

38 (15.2%)

CPC 5

231 (47.2%)

179 (74.9%)

52 (20.8%)

Cause of death

   

 Cerebral cause

108 (46.8%)

92 (51.4%)

16 (30.8%)

 Multiple organ failure

68 (29.4%)

47 (26.3%)

21 (40.4%)

 Cardiovascular cause

25 (10.8%)

17 (9.5%)

8 (15.4%)

 Others/ Unknown

30 (13.0%)

23 (12.8%)

7 (13.5%)

Death after awakeninga

6 (2.6%)

0 (0%)

6 (11.5%)

Withholding therapies

52 (10.6%)

42 (17.6%)

10 (4.0%)

 No therapeutic escalation

9 (1.8%)

8 (3.3%)

1 (0.4%)

 No cardiopulmonary resuscitation

41 (8.4%)

32 (13.4%)

9 (3.6%)

Time to withholding of active treatment, hours

82.0 (40.3–118.3)

89.5 (39.5–125.0)

78.0 (35.8–97.0)

  1. Values are expressed as number (%) and median (interquartile range)
  2. CPC, cerebral performance category
  3. aA total of 6 patients were dead after awakening due to cardiovascular cause (n = 2), multiple organ failure (n = 1) and others/unknown cause (n = 3)