Table 3.
Black artefact volume and standard deviation of each metal in all sequences
| Sequence | Slice plane | mm3 | APA | Au | Ag | Al | Ti | NC | CC |
|---|---|---|---|---|---|---|---|---|---|
| FSE-T1 | Axial | Volume | 165.35 | 213.20 | 199.30 | 300.45 | 1520.53 | 2484.93 | 8386.33 |
| SD | 60.87 | 58.92 | 76.75 | 50.91 | 321.58 | 298.87 | 847.44 | ||
| Sagittal | Volume | 171.38 | 164.55 | 170.28 | 275.25 | 1740.88 | 2852.08 | 9550.81 | |
| SD | 47.94 | 35.32 | 48.64 | 63.02 | 232.81 | 446.00 | 654.70 | ||
| FSE-T2 | Axial | Volume | 229.05 | 210.15 | 288.95 | 373.50 | 1878.40 | 2996.05 | 10,171.30 |
| SD | 146.91 | 102.39 | 160.89 | 35.44 | 454.38 | 696.15 | 1843.32 | ||
| Sagittal | Volume | 178.95 | 139.03 | 180.58 | 302.90 | 1490.23 | 2735.88 | 9389.88 | |
| SD | 77.41 | 25.57 | 68.13 | 56.55 | 139.30 | 184.77 | 315.38 | ||
| GRASS | Axial | Volume | 373.35 | 450.50 | 531.80 | 708.60 | 5557.90 | 8982.23 | 25,561.68 |
| SD | 19.42 | 26.26 | 23.05 | 44.14 | 191.76 | 149.91 | 301.76 | ||
| Sagittal | Volume | 305.13 | 373.03 | 499.28 | 782.43 | 5286.10 | 7718.10 | 22,158.43 | |
| SD | 72.56 | 76.77 | 64.78 | 106.33 | 179.50 | 480.65 | 1857.48 | ||
| FSPGR | Axial | Volume | 359.10 | 505.50 | 542.95 | 824.35 | 6594.58 | 9921.05 | 28,624.58 |
| SD | 95.21 | 38.82 | 26.52 | 103.54 | 265.07 | 382.90 | 1047.93 | ||
| Sagittal | Volume | 302.25 | 435.33 | 498.88 | 801.78 | 5553.76 | 8915.73 | 24,950.43 | |
| SD | 110.87 | 27.66 | 48.76 | 129.59 | 329.69 | 279.06 | 879.72 | ||
| GRE | Axial | Volume | 527.30 | 703.98 | 744.98 | 1258.13 | 7839.80 | 11,839.40 | 35,256.20 |
| SD | 73.30 | 31.96 | 52.57 | 155.03 | 242.84 | 478.28 | 449.83 | ||
| Sagittal | Volume | 582.80 | 762.88 | 761.75 | 1214.90 | 7522.75 | 11,469.15 | 31,843.03 | |
| SD | 31.72 | 37.57 | 38.38 | 112.93 | 313.46 | 101.55 | 401.81 | ||
| SPGR | Axial | Volume | 637.65 | 697.23 | 960.45 | 1451.98 | 8727.45 | 12,394.33 | 38,147.15 |
| SD | 104.98 | 40.29 | 68.72 | 48.93 | 313.08 | 2173.59 | 621.37 | ||
| Sagittal | Volume | 675.88 | 816.00 | 828.60 | 1380.75 | 7915.28 | 12,019.48 | 34,993.90 | |
| SD | 18.73 | 87.39 | 96.84 | 125.13 | 392.39 | 348.86 | 540.59 | ||
| FIESTA | Axial | Volume | 1121.10 | 1174.73 | 1453.35 | 1987.98 | 13,811.45 | 20,238.05 | 62,847.85 |
| SD | 213.34 | 274.81 | 208.72 | 532.95 | 913.15 | 1770.07 | 798.97 | ||
| Sagittal | Volume | 840.65 | 1076.60 | 1279.28 | 2148.38 | 13,054.63 | 20,197.28 | 61,133.18 | |
| SD | 85.30 | 20.93 | 132.70 | 258.65 | 884.47 | 1375.69 | 6766.61 | ||
| EPI | Axial | Volume | 11,415.78 | 13,784.95 | 14,447.48 | 19,564.98 | 84,957.33 | 124,162.53 | 307,877.91 |
| SD | 1402.46 | 1532.24 | 2003.70 | 2978.67 | 9929.31 | 17,468.48 | 22,952.20 | ||
| Sagittal | Volume | 13,301.05 | 15,187.08 | 16,144.65 | 22,524.50 | 97,447.13 | 145,569.90 | 324,727.42 | |
| SD | 1281.57 | 1359.38 | 935.73 | 2498.03 | 10,547.93 | 27,582.39 | 34,415.08 |
Ag, silver alloy; Al, aluminium; 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 spoiled gradient recalled acquisition in steady state sequence; GRASS, gradient recalled acquisition in steady state sequence; GRE, gradient echo sequence; NC, nickel–chromium alloy; SD, standard deviation; SPGR, spoiled GRASS sequence; Ti, titanium.