Results For optic neuropathy for unknown causes, th e sensitivity, specificity and positive result likelihood ratio (PRLR) of STIR w ere 71%, 46%, and 1.31 respectively.

• 结果MRI的STIR成像法对原因不明的视神经病变的敏感性为71%25；特异性为46%25；阳性结果似然比为1.；31;