Research Article

Transsphenoidal Optic Canal Decompression for Traumatic Optic Neuropathy Assisted by a Computed Tomography Image Postprocessing Technique

Table 2

Comparison of the length of each wall of the optic canal.

Group IGroup JMean difference (I-J)Std. errorSig.95% interval confidence
Lower boundUpper bound

LSDMWLW2.64100.64330.00011.36173.9201
SW3.67950.64330.00002.40034.9587
IW4.60680.64330.00003.32765.8860
LWMW−2.64090.64330.0001−3.9201−1.3617
SW1.03860.64330.1101−0.24062.3178
IW1.96600.64330.00300.68673.2451
SWMW−3.67950.64330.0000−4.9587−2.4003
LW−1.03860.64330.1101−2.31780.2406
IW0.92720.64330.1532−0.35192.2065
IWMW−4.60680.64330.0000−5.8860−3.3276
LW−1.96590.64330.0030−3.2451−0.6867
SW−0.92730.64330.1532−2.20640.3519

MD: mean difference, LSD: least significant difference, MW: medial wall, LW: lateral wall, SW: superior wall, and IW: inferior wall. The medial wall of the optic canal is the longest, which has significant difference to the superior wall, lateral wall, and inferior wall ().