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Table 2 Main study variables for individual patients

From: Comparison of quantitative computed tomography analysis and single-indicator thermodilution to measure pulmonary edema in patients with acute respiratory distress syndrome

Patient no. CT Quantitative analysis PiCCO plus system
CT mean(Hu) GV CT(ml) TV CT(ml) TVI (ml/kg) g/t GEDI (ml/m 2) ITBI (ml/m 2) PTV (ml) ELWI (ml/kg)
1 -408.76 1068.12 1519.39 17.67 0.70 916 1145 1580.9 13
2 -635.51 1253.14 712.60 10.96 1.76 853 1066 953.13 9
3 -240.55 506.86 1652.71 33.05 0.31 564 705 2404.6 44
4 -352.20 485.55 697.01 9.29 0.70 801 1001 891.38 7
5 -264.17 735.94 1422.71 19.76 0.52 904 1130 1565.6 16
6 -331.26 610.46 1209.24 15.50 0.50 920 1150 1614.2 15
7 -440.78 677.83 857.52 14.29 0.79 576 720 1007.4 13
8 -415.64 759.62 1044.63 17.41 0.73 901 1126 1564.9 20
9 -491.44 1296.89 1328.34 18.98 0.98 908 1135 1454.1 15
10 -499.44 1771.35 1769.50 24.24 1.00 580 725 1944.5 23
Mean -407.97 916.58 1221.37 18.12 0.80 792.3 990.3 1498.1 17.5
SD 118.30 418.08 383.68 6.79 0.40 155.29 194.08 466.45 10.4
  1. CTmean, mean CT values; GVCT, gas volume in lung measured by CT; TVCT, tissue volume in lung measured by CT; TVI, tissue volume index for predicted body weight; g/t, ratio of gas to tissue volume; GEDI, global end-diastolic volume index for patient surface area; ITBI, intrathoracic blood volume index for patient surface area; PTV, pulmonary thermal volume; ELWI, extravascular lung water index for predicted body weight.