15th February 2024

A study attempts to establish symptoms that could predict the onset of cauda equina.

A study attempts to establish symptoms that could predict the onset of cauda equina. The study was conducted over three months, identifying patients who presented to the emergency department with back pain. Six patients were found to have confirmed cauda equina syndrome. Of these patients, 4 had back pain on presentation. 

Which statistical test is most appropriate to identify significant differences between the two groups?