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Table 2 Mean diameter of 8 mm nodules

From: Repeatability of small lung nodule measurement in low-dose lung screening: a phantom study

   Diameter    Diameter   
kV mAs 8 mm sd sd P 8 mm sd P
   GGN    S   
70 20 9.10 0.10 .070 8.10 0.70 .068
70 30 8.53 0.91 .068 8.83 0.74 .058
70 40 8.47 0.95 .857 8.00 1.41 .078
70 50 7.97 0.25 .418 8.20 0.56 .058
70 60 8.70 0.75 .753 8.83 0.31 .365
70 70 7.87 0.35 .140 8.50 0.56 .192
70 80 8.20 0.40 .787 8.63 0.72 .420
70 90 7.90 0.30 .892 7.93 0.15 .420
70 100 8.00 0.20 .027 7.93 0.25 .091
80 20 8.77 1.46 .033 8.33 0.12 .840
80 30 8.70 0.10 .964 8.13 0.40 .420
80 40 8.07 0.15 .964 7.93 0.15 .762
80 50 8.07 0.15 .964 8.10 0.40 .687
80 60 8.13 0.21 .097 8.07 0.38 .097
80 70 8.77 0.15 .080 8.90 0.10 .545
80 80 8.73 0.15 1.000 8.00 0.26 .614
80 90 8.10 0.20 .857 8.03 0.31 .481
80 100 7.97 0.12 .210 7.97 0.21 .269
100 20 9.03 0.80 .118 7.83 0.25 .762
100 30 9.07 0.67 .262 8.10 0.20 .365
100 40 8.93 1.36 .323 7.90 0.20 .315
100 50 8.83 0.75 .822 7.87 0.35 .481
100 60 7.93 0.25 .822 7.97 0.12 .365
100 70 7.93 0.15 .964 7.90 0.10 .420
100 80 8.13 0.21 .857 7.93 0.15 .365
100 90 7.97 0.21 .369 7.90 0.26 .687
100 100 8.77 0.74 .822 8.07 0.15 .315
120 20 7.93 0.15 1.000 7.87 0.35 .420
120 30 8.10 0.20 .822 7.93 0.15 .315
120 40 7.93 0.15 .892 7.87 0.21 .481
120 50 8.00 0.26 .928 8.43 0.21 .420
120 60 8.17 0.15 .472 7.93 0.15 .269
120 70 8.63 0.12 .892 7.83 0.06 .420
120 80 8.00 0.10 .822 7.93 0.25 .614
120 90 7.93 0.06 .857 8.03 0.12 .133
120 100 7.97 0.06 – 7.70 0.20 –
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