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Table 1 Baseline characteristics and features of the previous scars in the two groups

From: The distance between new and previous incisions does not affect skin necrosis in total knee arthroplasty: a parallel-randomized controlled clinical trial

Variable

 < 8 cm distance between incisions (n = 25)

 > 8 cm distance between incisions (n = 25)

P-value

Age (year)

65.5 ± 5.2)

64.8 ± 4.6

0.33

Sex

  

0.66

 Male

3(12%)

5(20%)

 

 Female

22(88%)

20(80%)

 

Laterality

  

0.83

 Right

15(60%)

14(56%)

 

 Left

10(40%)

11(44%)

 

Body mass index (kg/m2)

26.9 (2.4)

27.2 (3.0)

0.81

Type of previous surgery

  

0.52

 Osteotomy

18(72%)

16(64%)

 

 Fracture

7(28%)

9(36%)

 

Time interval from the previous surgery (years)

2.1 ± 1.1

2.4 ± 1.06

0.39

Previous incision length (cm)

7.2 ± 2.5

6.9 ± 2.7

0.41

  1. P-value < 0.05 is considered significant