Open Access

Table 1

Effectiveness and rationality of radiation qcquisition spacing setting (µSv/h).

Groups Cases FPS 7.5 p/s FPS 15 p/s FPS 30 p/s
Median IQR Median IQR Median IQR
X = 0 cm 7 24.10 6.26 48.07 7.30 98.11 32.05
X = 30 cm 7 28.77 5.15 58.54 13.81 120.3 29.80
X = 60 cm 7 30.78 4.65 60.17 14.08 127.9 27.50
X = 90 cm 7 23.97 3.57 49.25 10.75 103 24.60
X = 120 cm 7 16.86 4.75 33.99 12.40 64.59 17.16
X = 150 cm 7 9.65 6.22 16.63 5.57 38.54 20.46
X = 180 cm 7 4.65 4.80 8.65 6.71 18.82 15.2
X = 210 cm 7 2.04 1.4 5.31 3.84 8.75 7.77
X = 240 cm 7 1.06 1.08 1.93 1.18 5.88 6.60
X = 270 cm 7 0.53 0.48 1.10 0.81 2.95 2.54
X = 300 cm 7 0.65 0.35 1.01 0.60 3.28 2.90
H   72.296 71.220 71.429      
P   0.001* 0.001* 0.001*      

IQR: inter-quartile range.

*

P < 0.05.

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