Table 5.
Statistical difference between scanning sequences per material per plane for each artefact type separately (black/white)
| Black artefact |
Tukey–Kramer | White artefact |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| APA | Au | Ag | Al | Ti | NC | CC | Axial | APA | Au | Ag | Al | Ti | NC | CC |
| ns | ns | ns | a | ns | ns | ns | FSE-T1, FSE-T2 | b | ns | ns | ns | ns | ns | ns |
| b | b | b | b | b | b | b | FSE-T1, GRASS | b | b | b | b | ns | ns | b |
| b | b | b | b | b | b | b | FSE-T1, FSPGR | b | b | b | b | a | b | b |
| b | b | b | b | b | b | b | FSE-T1, GRE | ns | ns | ns | a | b | b | b |
| b | b | b | b | b | b | b | FSE-T1, SPGR | ns | ns | b | b | b | b | b |
| b | b | b | b | b | b | b | FSE-T1, FIESTA | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | FSE-T1, EPI | – | – | – | – | – | – | – |
| a | b | b | b | b | b | b | FSE-T2, GRASS | b | b | b | b | ns | ns | b |
| ns | b | b | b | b | b | b | FSE-T2, FSPGR | b | b | b | b | a | a | b |
| b | b | b | b | b | b | b | FSE-T2, GRE | b | a | ns | a | b | b | b |
| b | b | b | b | b | b | b | FSE-T2, SPGR | b | ns | ns | b | b | b | b |
| b | b | b | b | b | b | b | FSE-T2, FIESTA | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | FSE-T2, EPI | – | – | – | – | – | – | – |
| ns | a | ns | a | b | b | b | GRASS, FSPGR | ns | a | b | ns | b | b | b |
| b | b | b | b | b | b | b | GRASS, GRE | a | b | b | b | b | b | b |
| b | b | b | b | b | b | b | GRASS, SPGR | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | GRASS, FIESTA | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | GRASS, EPI | – | – | – | – | – | – | – |
| b | b | b | b | b | b | b | FSPGR, GRE | a | b | b | b | b | b | b |
| b | b | b | b | b | a | b | FSPGR, SPGR | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | FSPGR, FIESTA | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | FSPGR, EPI | – | – | – | – | – | – | – |
| ns | ns | b | b | b | ns | b | GRE, SPGR | b | a | b | ns | ns | ns | ns |
| b | b | b | b | b | b | b | GRE, FIESTA | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | GRE, EPI | – | – | – | – | – | – | – |
| b | b | b | a | b | b | b | SPGR, FIESTA | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | SPGR, EPI | – | – | – | – | – | – | – |
| b | b | b | b | b | b | b | FIESTA, EPI | – | – | – | – | – | – | – |
| Black artefact |
Tukey–Kramer | White artefact |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| APA | Au | Ag | Al | Ti | NC | CC | Axial | APA | Au | Ag | Al | Ti | NC | CC |
| ns | ns | ns | ns | a | ns | ns | FSE-T1, FSE-T2 | ns | ns | ns | ns | ns | ns | ns |
| b | b | b | b | b | b | b | FSE-T1, GRASS | b | b | b | b | ns | ns | ns |
| a | b | b | b | b | b | b | FSE-T1, FSPGR | b | b | b | b | ns | ns | ns |
| b | b | b | b | b | b | b | FSE-T1, GRE | a | ns | ns | ns | b | b | b |
| b | b | b | b | b | b | b | FSE-T1, SPGR | ns | ns | ns | ns | b | b | b |
| b | b | b | b | b | b | b | FSE-T1, FIESTA | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | FSE-T1, EPI | – | – | – | – | – | – | – |
| a | b | b | b | b | b | b | FSE-T2, GRASS | b | b | b | b | ns | ns | a |
| a | b | b | b | b | b | b | FSE-T2, FSPGR | b | b | b | b | ns | ns | ns |
| b | b | b | b | b | b | b | FSE-T2, GRE | b | ns | ns | ns | b | b | b |
| b | b | b | b | b | b | b | FSE-T2, SPGR | a | ns | ns | ns | b | b | b |
| b | b | b | b | b | b | b | FSE-T2, FIESTA | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | FSE-T2, EPI | – | – | – | – | – | – | – |
| ns | ns | ns | ns | ns | b | b | GRASS, FSPGR | ns | ns | ns | a | ns | ns | a |
| b | b | b | b | b | b | b | GRASS, GRE | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | GRASS, SPGR | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | GRASS, FIESTA | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | GRASS, EPI | – | – | – | – | – | – | – |
| b | b | b | b | b | b | b | FSPGR, GRE | ns | b | a | b | b | b | b |
| b | b | b | b | b | b | b | FSPGR, SPGR | b | b | a | b | b | b | b |
| b | b | b | b | b | b | b | FSPGR, FIESTA | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | FSPGR, EPI | – | – | – | – | – | – | – |
| b | ns | ns | a | ns | b | b | GRE, SPGR | a | a | ns | a | b | b | b |
| b | b | b | b | b | b | b | GRE, FIESTA | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | GRE, EPI | – | – | – | – | – | – | – |
| b | b | b | b | b | b | b | SPGR, FIESTA | b | b | b | b | b | b | b |
| b | b | b | b | b | b | b | SPGR, EPI | – | – | – | – | – | – | – |
| b | b | b | b | b | b | b | FIESTA, EPI | – | – | – | – | – | – | – |
–, not measured; Ag, silver alloy; Al, aluminum; APA, gold–palladium–silver alloy; Au, type IV gold alloy; CC, cobalt–chromium alloy; EPI, echo planar imaging sequence; FIESTA, fast imaging employing steady state sequence; FSE-T1, T1 weighted fast spin echo sequence; FSE-T2, T2 weighted fast spin echo sequence; FSPGR, fast SPGR sequence; GRASS, gradient recalled acquisition in steady state sequence; GRE, gradient echo sequence; NC, nickel–chromium alloy; ns, non-significant; SD, standard deviation; SPGR, spoiled GRASS sequence; Ti, titanium.
a
p < 0.05.
b
p < 0.01.