Instructions: Indicate the presence of numerical data in the abstract (whether numerical data plays a key role in medical records), solely using the information from the abstract.
Input: Abstract: Two patients who sustained posterior and anterior fracture dislocations of the femoral head, respectively, are reported. Each case was treated by open reduction and internal fixation of the fracture fragments. With this operative approach excellent results have been achieved on medium-term followup.
Question: Does the abstract contain any numerical data?
Output:
No