Table 1 Comparison of baseline data between patients in the hematoma group and the non-hematoma group

Sex (male/female)

11/21

40/74

0.94

Age (years)

70.6 ± 4.1

70.9 ± 4.7

0.932

Diabetes, n (%)

12 (37.5 %)

28 (24.6 %)

0.147

Hypertension, n (%)

25 (78.1 %)

71 (62.3 %)

0.095

BMI (kg/m²)

25 ± 2.2

26 ± 2.4

0.061

Joint deformity, n (%)

32 (100 %)

76 (66.7 %)

<0.001

Operation time (min)

83.9 ± 3.1

70.5 ± 4.2

<0.001