Group Group A B C D E
Scanning parameters Scanning parameters 120 kV and 150 mA 120 kV and 150 mA 80 kV and 250 mA 80 kV and 250 mA 80 kV and 250 mA
Iodine concentration Iodine concentration 150 mg I/mL 120 mg I/mL 150 mg I/mL 120 mg I/mL 90 mg I/mL
Site
HUpre 1 83.37±5.32 87.5±8.42 85.05±13.85 84.5±5.28 86.4±4.07
2 82.82±10.81 87.96±4.8 84.1±10.26 87.06±12 87.15±6.33
3 104.95±23.75 102.47±6 99.16±16.19 101.8±11.09 106.04±9.28
4 109.51±15.57 108.92±7.59 110.66±18.2 116.29±7.31 113.66±9.49
HUpost 1 111.2±10.44** 107.01±6.8** 113.38±10.26** 108.35±8.8** 110.47±13.97**
2 100.39±8.2** 98.12±15.07 116.63±11.59** 101.21±13.33* 104.22±5.5**
3 119.26±20.4 122.56±6.9** 125.47±22.65* 128.51±13.44* 124.91±9.76**
4 127±16.59* 120.54±9.77* 136.89±20.1* 128.93±6.59* 132.32±4.28**
HUmed 1 1284.16±175.18 1092.88±8.59 1151.64±113.7 1330.06±61.08 1259.75±134.72
2 1200.25±61.89 1109.09±84.42 1163.52±42.43 1348.86±299.83 1167.33±199.64
3 1269.14±148 1194.16±49.94 1321.52±154.49 1366.32±103.98 1246.22±229.26
4 1260.4±156.01 1134.68±148.32 1177.59±26.63 1370.84±162.87 1273.58±185.7
HUlat 1 1145.73±160.02 1126.2±92.64 1173.73±119.67 1270.03±305.73 1127.89±52.75
2 1119.37±121.72 1123.04±104.98 1194.14±165.77 1273.39±393.26 1140.95±131.44
3 1256.5±108.57 1256.9±134.87 1173.33±214.02 1266.34±336.61 1182.03±170.88
4 1092.97±133.35 1164.62±142.19 1103.25±108.12 1177.17±261.75 1111.23±46.6
median HUpre median HUpre 94.66±12.91 96.7±7.14 92.22±11.46 97.1±8.98 97.28±4.97
median HUpost median HUpost 114.31±14.36** 114.79±11.54** 123.84±15.66** 118.2±10.56* 117.62±7.12**
median HUpost-HUpre median HUpost-HUpre 20.21±3.81 16.1±7.68 29.65±1.74* 20.53±3.01 18.42±6.58
median HUmed median HUmed 1282.07±99.8 1127.14±44.63 1210.22±43.84 1346.3±109.23 1223.12±183.06
median HUlat median HUlat 1160.42±113.25 1170.57±53.73 1157.16±162.66 1300.46±242.79 1135.04±87.86