Table 1 Average (Standard deviation (SD)) absolute translation and rotation errors of the CT- and sCT-based saw guides placed by the six observers. The p-value was calculated with a rANOVA on the between subjects differences of each parameter, with p < 0.025 being significantly different
Saw guide type | Translation: mm (SD) | Rotation: degrees (SD) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
∆x | ∆y | ∆z | ∆T average | ∆T max diff | ϕx | ϕy | ϕz | ∆R average | ∆R max diff | |
CT-based | 0.8 (±1.1) | 0.4 (±0.6) | 2.1 (±2.3) | 2.4 (±2.4) | 4.5 (±3.4) | 0.6 (±0.7) | 0.5 (±0.6) | 3.5 (±4.8) | 3.8 (±4.8) | 6.9 (±6.8) |
sCT-based | 1.0 (±1.3) | 0.5 (±0.6) | 2.3 (±2.4) | 2.8 (±2.5) | 4.5 (±2.8) | 0.7 (±0.6) | 0.8 (±0.7) | 4.6 (±6.0) | 4.9 (±6.0) | 7.0 (±6.8) |
p-value | .892 | .687 | .752 | .284 | – | .245 | .167 | .227 | .216 | – |