Intact, pie-crusting and repairing the posterior cruciate ligament in posterior cruciate ligament-retaining total knee arthroplasty: A 5-year follow-up

Table 1 Range of motion and the Knee Society Clinical Rating system scores of the included patients

	ROM (°)	KSS clinical scores	KSS functional scores
Before surgery	103.2 ± 17.2	47.6 ± 9.5	46.3 ± 11.9
Follow-up	117.5 ± 9.7	89.2 ± 3.6	84.6 ± 9.8
P value	0.00	0.00	0.00

The data are presented as mean ± SD. ROM: Range of motion; KSS: The Knee Society Clinical Rating system.