Table 1 Patient demographics for the study and control groups

Total patients

56

221

–

Age (years)

70.6 ± 4.2

66.3 ± 6.8

0.041

BMI (kg/m²)

27.3 ± 4.2

28.5 ± 3.6

0.183

Gender

0.048

 Male

12 (21.4%)

78 (35.3%)

–

 Female

44 (78.6%)

143 (64.7%)

–

Component sizes

 Femur

3 (1–6)

3 (1–6)

0.251

 Tibia

3 (1–7)

4 (1–7)

0.362

Follow-up (years)

4.1 ± 0.3

4.2 ± 0.4

0.661