Application of Preoperative Ultrasonography in the Percutaneous Minimally Invasive Repair of Acute Closed Achilles Tendon Rupture

Table 1

The basic information of the included patients.

Variable	Study subjects ()
Age (years, , range)	(23-43)
Male/female (%)	(81.25%)/(18.75%)
Injured limb (left or right, %)
Left	6
Right	10
Cause of injury (, %)
Basketball	4
Football	3
Badminton	7
Volleyball	2
Tear site (distance from the calcaneal insertion) (cm, )
Time from injury to operation (days, )