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Table 1 Patients demographics in the two groups

From: Scalpel can achieve better clinical outcomes compared with electric cautery in primary total knee arthroplasty: a comparison study

Demographics

Group S

Group E

p-value

Total patients

313

313

–

Age (years)

68.1 ± 4.2

67.3 ± 5.2

0.532

BMI (kg/m2)

26.7 ± 4.2

27.4 ± 3.2

0.491

Sex

  

0.845

Male

66 (21.1%)

68 (21.7%)

–

Female

247 (78.9%)

245 (78.3%)

–

Side (right/left)

170/143

162/151

0.442

Follow-up time (years)

2.1 ± 0.3

2.2 ± 0.4

0.661

  1. BMI Body mass index; mean ± standard deviation