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Table 4 Univariate Analysis of Postoperative Characteristics and PAIS

From: Risk factors for postoperative acute ischemic stroke in advanced-aged patients with previous stroke undergoing noncardiac surgery: a retrospective cohort study

 

No stroke

(n = 376)

Stroke

(n = 24)

P-value

Hemoglobin on postoperative day one (%)

  

0.502

≥ 9 g/dL

334 (91.5)

21 (87.5)

 

< 9 g/dL

32 (8.5)

3 (12.5)

 

Platelet count on postoperative day one (%)

  

0.592

< 100×109/L

17 (4.5)

1 (4.2)

 

100×109~300×109/L

333 (88.6)

20 (83.3)

 

> 300×109/L

26 (6.9)

3 (12.5)

 

Serum Cr on postoperative day one (%)

  

0.950

≤ 104 µmol/L

346 (92.0)

22 (91.7)

 

> 104 µmol/L

30 (8.0)

2 (8.3)

 
  1. Values are expressed as percentage
  2. After adjusted with Bonferroni correction, P value < 0.017(0.017 = 0.05/numbers of univariates in Table 4 ) was considered statistical significance