Table 1 Contingency table for number of load steps in which maximum Von Mises stress exceeded the fatigue limit (FLIM) comparing the two arms of the study, Generic and Personalised for each of the three healing stages (HS) for screw configuration 3. OR = Odds Ratio.

From: Personalised high tibial osteotomy has mechanical safety equivalent to generic device in a case–control in silico clinical trial

 

Generica

Personaliseda

Personalised vs Generica

N2: Stress< FLM

N1: Stress> FLM

Total

N2: Stress< FLM

N1: Stress> FLM

Total

OR (95% CIs)

p-values

HS2

96 (24.6%)

295 (75.4%)

391

73 (17.8%)

337 (82.2%)

410

1.80 (0.90, 3.61)

0.10

HS3

364 (88.8%)

46 (11.2%)

410

341 (87.0%)

51 (13.0%)

392

1.25 (0.76, 2.06)

0.37

HS4

413 (99.3%)

3 (0.7%)

416

419 (100%)

0 (0%)

419

0.14 (0.01, 2.73)b

0.20b

  1. aSata are presented for all observations, which are clustered within participants.
  2. bEstimate obtained from a penalised maximum likelihood logistic regression.
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