Total Knee Arthroplasty Designed to Accommodate the Presence or Absence of the Posterior Cruciate Ligament

Table 1

Patient demographics and outcome measures for all TKA and for the PCL-retained and PCL-resected groups.

	All TKA	PCL-retained	PCL-resected
Patients	159	116	43
Sex (F/M, % female)	98/61 (62%)	65/51 (56%)	33/10 (77%)
Age at index surgery (yrs.)	70 ± 9	72 ± 7	64 ± 9	<0.001
Age at last follow-up (yrs.)	76 ± 8	78 ± 7	71 ± 9	<0.001
KSS (knee)	96 ± 7	96 ± 7	96 ± 5	0.76
KSS (function)	92 ± 13	94 ± 12	87 ± 14	0.003
Maximum knee flexion (°)	124 ± 9	122 ± 9	127 ± 9	0.002

Significant differences between the PCL-retained and PCL-resected groups were assessed using a Student’s -test.