Research Article

Spiral Computed Tomography Imaging Analysis of Positioning of Lumbar Spinal Nerve Anesthesia under the Concept of Enhanced Recovery after Surgery

Figure 5

Comparison of puncture conditions. (a) Time required for puncture; (b) puncture condition (number of cases with changed direction (F), abnormal sensation of puncture (Y), and nerve root touch (P)). āˆ— indicates that there is a statistically significant difference in the time required for puncture and the number of cases with changed direction compared with the control group ().
(a)
(b)