Table 1: Comparison of preoperative data, expressed as mean ± SD (ranges).

Variable

RI group (n = 10)

SUI group (n = 10)

p-value

Age at surgery

68.5 ± 6.5; (53.2-78.1)

65.4 ± 8.4; (51.7-80.5)

0.374

Gender:

 

 

<0.05

Male

6

3

 

Female

4

7

 

BMI (kg/m²)

29.9 ± 5.0; (20.8-38.7)

35.1 ± 6.1; (29.3-50.3)

0.053

HKA (°)

173.1 ± 6.2; (164.0 -184.0)

173 ± 8.2; (158.0-187.0)

0.976

LDFA (°)

88.6 ± 7.3 (83-102)

87.9 ± 5.9 (81-98)

0.816

MPTA (°)

88.5 ± 2.6 (84.0 – 92)

88.7 ± 4.2 (84.0-97.0)

0.900

Flexion (°)

104.0 ± 9.7; (90.0-120.0)

101.1 ± 18.3 (70-130)

0.668

Extension (°)

1.0 ± 7.0 (-5.0-20.0)

2.2 ± 8.7 (-10-20)

0.739

Operative time (min)

58.5 ± 8.8; (50.0-70.0)

65.0 ± 10.8; (50.0-90.0)

0.158

Hospital stay (days)

6.9 ± 3.1; (4.0-12.0)

6.8 ± 2.0; (4.0-10.0)

0.934

HKA: Hip-Knee-Ankle; LDFA: Lateral Distal Femoral Angle; MPTA: Medial Proximal Tibial Angle