Clinical Study

The Effect of Patient-Specific Instrumentation Incorporating an Extramedullary Tibial Guide on Operative Efficiency for Total Knee Arthroplasty

Table 2

Comparison of surgical time, operative room time, and blood loss from each group.

Surgical time
(min)
Operative room time
(min)
Estimated blood loss
(mL)

Group 1 ()
Group 2 ()
Group 3 ()
value (group 1 : group 3)0.090.0060.304
value (group 2 : group 3)<0.001<0.0010.18