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Table 4 Mean diameter of 3 mm nodules

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

   Diameter    Diameter   
kV mAs 3 mm sd P 3 mm sd P
   GGN    S   
70 20 3.80 0.87 .062 3.23 0.23 .202
70 30 4.53 0.67 .028 2.87 0.21 .202
70 40 4.67 1.12 .034 2.87 0.21 .352
70 50 4.63 0.50 .074 2.97 0.23 .202
70 60 3.10 0.40 .042 3.60 0.26 .352
70 70 3.00 0.44 .074 3.50 0.40 1.000
70 80 3.10 0.40 .089 3.23 0.23 .641
70 90 3.13 0.35 .042 3.10 0.40 .907
70 100 3.00 0.44 .042 3.20 0.44 .641
80 20 3.00 0.44 .391 3.37 0.23 .001
80 30 4.13 0.29 .074 4.20 0.62 .641
80 40 3.10 0.40 .042 3.10 0.40 .641
80 50 3.00 0.44 .042 3.10 0.40 .352
80 60 3.00 0.44 .265 2.97 0.23 .641
80 70 3.37 0.23 .074 3.37 0.23 .641
80 80 3.10 0.40 .042 3.10 0.40 .641
80 90 3.00 0.44 .074 3.10 0.40 .415
80 100 3.10 0.40 .051 3.00 0.44 .641
100 20 3.03 0.50 .089 3.10 0.40 1.000
100 30 3.13 0.35 .023 3.23 0.23 .641
100 40 2.90 0.53 .023 3.10 0.40 .352
100 50 2.90 0.53 .074 2.97 0.23 .641
100 60 3.10 0.40 .074 3.10 0.40 .202
100 70 3.10 0.40 .074 2.87 0.21 .641
100 80 3.10 0.40 .147 3.10 0.40 .202
100 90 3.23 0.23 .147 2.87 0.21 1.000
100 100 3.23 0.23 .147 3.23 0.23 .641
120 20 3.23 0.23 .074 3.10 0.40 .641
120 30 3.10 0.40 .023 3.10 0.40 .641
120 40 2.90 0.53 .074 3.10 0.40 .726
120 50 3.10 0.40 .863 3.33 0.21 .641
120 60 3.73 0.59 .074 3.10 0.40 .815
120 70 3.10 0.40 .074 3.17 0.35 .415
120 80 3.10 0.40 .074 3.00 0.44 .726
120 90 3.10 0.40 .074 3.13 0.35 .641
120 100 3.10 0.40 – 3.10 0.40 –
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