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Table 4 Comparison of clinical outcomes between groups

From: Changes in hamstring strength after anterior cruciate ligament reconstruction with hamstring autograft and posterior cruciate ligament reconstruction with tibialis allograft

 ACLR groupPCLR groupP value
Anterior drawer test (grade 0/1/2/3)
 Preoperative0/15/22/3N/A 
 Postoperative27/13/1/0N/A 
Pivot-shift test (grade 0/1/2/3)
 Preoperative1/20/16/3N/A 
 Postoperative34/6/0/0N/A 
Posterior drawer test (grade 0/1/2/3)
 PreoperativeN/A0/8/11/1 
 PostoperativeN/A5/11/4/0 
Range of motion (°)
 Flexion contracture2.4 ± 2.12.1 ± 1.80.472*
 Maximal flexion138.4 ± 8.1137.2 ± 8.10.378*
Side-to-side difference of anterior and posterior tibial translation (mm)
 Preoperative7.4 ± 2.712.8 ± 3.70.027*
 Postoperative2.1 ± 1.74.1 ± 2.60.045*
Lysholm score
 Preoperative58.3 ± 22.450.3 ± 16.40.162*
 Postoperative86.6 ± 14.486.8 ± 8.30.971*
IKDC subjective score
 Preoperative55.4 ± 15.944.8 ± 13.40.013*
 Postoperative88.1 ± 12.986.1 ± 9.70.548*
IKDC objective score
 Preoperative (A/B/C/D)0/0/22/180/0/4/160.013**
 Postoperative (A/B/C/D)27/12/1/09/9/2/00.104**
  1. Values are presented as mean ± standard deviation
  2. The statistical significance was set at P < 0.05
  3. ACLR anterior cruciate ligament reconstruction, IKDC International Knee Documentation Committee, N/A not applicable, PCLR posterior cruciate ligament reconstruction
  4. *Derived with Student’s t test
  5. **Derived by linear-by-linear association