Table 1 Biomechanical test and statistical results.

From: Knotless backstitching provides comparable strength to conventional knotting in porcine stomach suture biomechanics

Biomechanical indicators

n

Backstitching group

Knotting group

P value

Maximum loada (N)

10

77.05 ± 9.68

76.28 ± 7.92

0.85

Tensile stiffnessa (N/mm)

10

3.37 ± 0.86

3.39 ± 0.91

0.95

Maximum loadb (N)

10

69.15 ± 14.07

65.21 ± 9.68

0.48

Tensile stiffnessb (N/mm)

10

2.74 ± 0.76

2.80 ± 0.59

0.84

Maximum loadc (N)

20

73.10 ± 12.43

70.75 ± 10.31

0.52

Tensile stiffnessc (N/mm)

20

3.06 ± 0.85

3.10 ± 0.81

0.87

  1. aSamples from the anterior walls of the porcine stomachs.
  2. bSamples from the posterior walls of the porcine stomachs.
  3. cSamples from the posterior and anterior walls of the porcine stomachs.
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