http://cjns.metapress.com/content/al8575727188l514/?id=AL8575727188L514
Abstract
Objective: The aim of the study is to explore the
association of serum bilirubin levels with admission severity and short
term clinical outcomes among acute ischemic stroke patients. Methods:
Data were collected from 2361 acute ischemic stroke patients in four
hospitals of Shangdong Province during January 2006 and December 2008.
National Institutes of Health Stroke Scale (NIHSS) was used to assess
admission and discharge severity. NIHSS≥10 at discharge or in-hospital
death was defined as short-term clinical outcomes. Logistic regression
and trend test were used to examine the association of serum bilirubin
levels with admission severity and short term clinical outcomes. Results:
Serum bilirubin levels were significantly and positively associated
with admission severity (P for trend less than 0.05). The age-sex adjusted
odds ratios (95% confidential intervals) of NIHSS≥10 associated with the
second, third and fourth quartile of total bilirubin/direct bilirubin
were 1.245 (0.873, 1.777)/1.276 (0.895, 1.818), 1.484 (1.048,
2.102)/1.628 (1.158, 2.289) and 2.869 (2.076, 3.966)/2.765 (1.996,
3.828), respectively, compared with the lowest quartile; the
multivariate adjusted odds ratios of NIHSS≥10 associated with the
second, third and fourth quartile of total bilirubin/direct bilirubin
were 1.088(0.711, 1.665)/1.436(0.94, 2.193), 1.328(0.877,
2.011)/1.647(1.092, 2.485) and 2.336(1.579, 3.458)/3.079 (2.049, 4.623),
respectively, compared with the lowest quartile. However, no
association between serum bilirubin levels and short-term clinical
outcomes was observed in our study. Conclusion: Serum
bilirubin levels were associated with initial stroke severity closely.
Nevertheless, there is no significant relationship between serum
bilirubin levels and short-term clinical outcomes among acute ischemic
stroke patients.
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