方法对400例肝硬化患者和416例慢性肝炎患者进行数字连接试验(nct)和数字符号试验(SDT)。
Methods 400 consecutive patients with cirrhosis and 416 with chronic hepatitis without clinical encephalopathy were screened by the number connection test a (NCT-A) and the symbol digit test (SDT).
方法：通过对473名健康人进行数字连结试验（NCT）、数字符号试验（DST）检测，获得不同年龄、不同文化程度人群的相应正常值。
Method: 473 healthy individuals were given number-connecting-test (NCT) and digital-symbol-test (DST) to achieve the nomal values of different ages and cultures.
方法：通过对473名健康人进行数字连结试验（NCT）、数字符号试验（DST）检测，获得不同年龄、不同文化程度人群的相应正常值。
Method: 473 healthy individuals were given number-connecting-test (NCT) and digital-symbol-test (DST) to achieve the nomal values of different ages and cultures.
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