Prolonged coma duration, lower level of acetylcholinesterase and lower level of plasma cholinesterase were related to the poor prognosis of the patients.

• 长期的昏迷、低的乙醯胆碱酯酶浓度及血浆胆碱酯酶浓度和病人的临床恶化结果有显著之关系。