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Table 3 Pairwise comparison table of the mechanical parameters of the six groups (Dunnett-T3)

From: Biomechanical analysis of the posterior bony column of the lumbar spine

Elastic modulus (MPa)

Ultimate strain (%)

Maximum load (N)

Ultimate strength (MPa)

P1–2 > 0.05

P1–2 > 0.05

P1–2 > 0.05

P1–2 < 0.05

P1–3 < 0.05

P1–3 > 0.05

P1–3 > 0.05

P1–3 > 0.05

P1–4 > 0.05

P1–4 < 0.05

P1–4 < 0.05

P1–4 > 0.05

P1–5 < 0.05

P1–5 < 0.05

P1–5 < 0.05

P1–5 < 0.05

P1–6 < 0.05

P1–6 < 0.05

P1–6 < 0.05

P1–6 < 0.05

P2–3 < 0.05

P2–3 < 0.05

P2–3 > 0.05

P2–3 > 0.05

P2–4 > 0.05

P2–4 < 0.05

P2–4 < 0.05

P2–4 < 0.05

P2–5 < 0.05

P2–5 < 0.05

P2–5 < 0.05

P2–5 < 0.05

P2–6 < 0.05

P2–6 < 0.05

P2–6 < 0.05

P2–6 < 0.05

P3–4 < 0.05

P3–4 > 0.05

P3–4 < 0.05

P3–4 > 0.05

P3–5 < 0.05

P3–5 < 0.05

P3–5 < 0.05

P3–5 < 0.05

P3–6 < 0.05

P3–6 < 0.05

P3–6 < 0.05

P3–6 < 0.05

P4–5 < 0.05

P4–5 > 0.05

P4–5 < 0.05

P4–5 < 0.05

P4–6 < 0.05

P4–6 > 0.05

P4–6 < 0.05

P4–6 < 0.05

P5–6 < 0.05

P5–6 > 0.05

P5–6 < 0.05

P5–6 < 0.05

  1. P < 0.05 was considered statistically significant
  2. 1 superior articular process group, 2 inferior articular process group, 3 upper edge of the lamina group, 4 lower edge of the lamina group, 5 upper edge of the spinous process group, 6 lower edge of the spinous process group