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Table 2 Statistical Analysis

From: Fixation strength of biocomposite wedge interference screw in ACL reconstruction: effect of screw length and tunnel/screw ratio. A controlled laboratory study

Compared Groups Compared Screws Mean Difference Critical Difference P- Value Statistical Significance
1 2 9 × 23 9 × 28 268,613 N 45,466 N < 0,0001 Yes
1 3 9 × 23 9 × 35 319,512 N 45,466 N < 0,0001 Yes
1 4 9 × 23 10 × 28 355,700 N 45,466 N < 0,0001 Yes
1 5 9 × 23 10 × 35 369,550 N 45,466 N < 0,0001 Yes
2 3 9 × 28 9 × 35 50,900 N 45,466 N 0,0293 Yes
2 4 9 × 28 10 × 28 87,087 N 45,466 N 0,0004 Yes
2 5 9 × 28 10 × 35 100,938 N 45,466 N < 0,0001 Yes
3 4 9 × 35 10 × 28 36,188 45,466 N 0,1151 No
3 5 9 × 35 10 × 35 50,038 45,466 N 0,0320 Yes
4 5 10 × 28 10 × 35 13,850 45,466 N 0,5403 No
  1. Post hoc pairwise comparison with the Fisher's protected least square difference test (PLSD).