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Table 4 Neurological outcomes in the study population

From: S100B predicts neurological injury and 30-day mortality following surgery for acute type A aortic dissection: an observational cohort study

Neurological outcomes

All n = 393

Neurological Injury* n = 94

No Neurological Injury* n = 298

p

Missing

Neurological injury

94 (23.9)

94 (100)

0 (0)

N/A

3 (0.8)

Postoperative stroke

74 (19.0)

74 (79.6)

0 (0)

< 0.01

4 (1.0)

Postoperative coma

31 (8.0)

31 (33.3)

0 (0)

< 0.01

4 (1.0)

Transient cerebral event

6 (1.5)

0 (0)

6 (2.0)

0.34

4 (1.0)

S100B T1 (μg/l)

0.58 (0.34–1.00)

0.68 (0.32–1.28)

0.56 (0.34–0.95)

0.22

94 (23.9)

S100B T2 (μg/l)

0.16 (0.10–0.31)

0.29 (0.13–0.73)

0.14 (0.10–0.23)

< 0.01

81 (20.6)

S100B T3 (μg/l)

0.16 (0.09–0.32)

0.24 (0.13–0.60)

0.14 (0.09–0.23)

< 0.01

210 (53.4)

S100B T4 (μg/l)

0.18 (0.08–0.34)

0.31 (0.17–0.40)

0.11 (0.08–0.27)

< 0.01

317 (80.7)

  1. *Patients who died intraoperatively were excluded from analysis
  2. Values are presented as n (%) or median (interquartile range) p-values represent comparison between neurological injury group and no neurological injury group
  3. T1 within 12 h postoperatively, T2 24 h postoperatively, T3 48 h postoperatively, T4 72 h postoperatively