Page 207 - Like me, or else... - Michelle Achterberg

MRI scan quantity and quality in childhood
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Table 1. Framewise and absolute head displacement.
N meanFD mean X, Y, X (mm) Y (mm) Z (mm) (mm) Z (mm)
all participants
SNAT run 1 488 SNAT run 2 483 SNAT run 3 481 PCG run 1 480 PCG run 2 478 RS 442
.48 (1.12) .65 (1.28) .68 (1.05) .69 (1.63) .98 (3.23) 1.07 (2.4)
1.82 (4.37) 2.11 (4.38) 2.20 (3.64) 2.37 (5.10) 3.01 (5.50) 3.82 (6.80)
.59 (1.33) .71 (1.66) .78 (1.37) .79 (1.83) 1.01 (1.89) 1.16 (2.38)
2.27 (6.44) 2.65 (6.82) 2.52 (4.44) 2.84 (7.53) 3.53 (8.78) 4.47 (8.73)
2.59 (5.90) 3.00 (5.19) 3.30 (5.71) 3.46 (6.43) 4.48 (7.26) 5.83 (9.97)
included participants
SNAT run 1* SNAT run 2* SNAT run 3* PCG run 1* PCG run 2* RS stringent1 RS lenient2
385 .32 (.90) 345 .26 (.14) 320 .28 (.18) 307 .24 (.14) 266 .27 (.15) 151 .18 (.08) 230 .25 (.27)
.76 (.42) .74 (.43) .79 (.49) .72 (.44) .82 (.47) .75 (1.26) 1.04 (1.47)
.29 (.25) .27 (.26) .30 (.31) .25 (.25) .29 (.30) .23 (.24) .30 (.32)
.87 (.56) .83 (.57) .91 (.65) .83 (.58) .93 (.59) .79 (.63) 1.15 (1.51)
1.11 (.66) 1.10 (.68) 1.17 (.76) 1.07 (.71) 1.24 (.79) 1.21 (3.35) 1.68 (3.14)
* Based on < 3 mm absolute displacement (X, Y and Z)
1 Based on <20 % frames with >0.3 mm framewise displacement
2 Based on <20 % frames with >0.5 mm framewise displacement
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