TABLE 3:

Case numbers of true-positive (TP), true-negative (TN), false-positive (FP), and false-negative (FN) of different findings on plain film, CT, 3D-CT, and MRI

FindingsNo. of PatientsNo. of PositivePlain filmCT3D-CTMRI
TPTNFPFNTPTNFPFNTPTNFPFNTPTNFPFN
Occult fracture12209020601040021000
Avascular necrosis12219010601040021000
Pseudarthrosis1255700240021005700
Tearing of the ALL12108202110531008202
Tearing of the PLL1270507040321015502
Ligament tears in the posterior column and adjacent soft tissue disruption1211100110007000411100
Cord deformity12500012000710035700
Spinous process fracture in the cervical region333000000010003000
Spinous process fracture in the thoracic region943501150112004500
Facet fracture121042064201400010200
Any fractures in the posterior column121161054102400011100
  • * Sensitivity = TP/(TP + FN).