Limb Lengthening after Primary Total Knee Arthroplasty: Customized Patient-Specific Instrumentation Does Not Affect Expected Limb Lengthening

Table 1

Patient demographics.

Variable	Whole sample	Valgus (<0)	Varus (>0)
# pts	121	20	101
Age (y)	66.1 (0.7)	66.1 (2.2)	66.1 (0.8)	0.99
BMI (kg/m^2)	33.2 (0.5)	32.5 (0.9)	33.3 (0.5)	0.49
Female	88 (72.7%)	16 (80.0%)	72 (71.3%)	0.42
Days preop	107.0 (9.6)	115.4 (25.8)	105.3 (10.4)	0.70
Days postop	46.9 (3.3)	47.9 (4.5)	46.7 (3.8)	0.89
Sigma	106 (87.6%)	19 (95%)	87 (86.1%)	0.27
Left	57 (47.1%)	12 (60%)	45 (44.6%)	0.21