Prognostic Value of the Average Lung CT Number in Patients with Acute Paraquat Poisoning

Table 2

Comparison of lung average CT number at different levels between the survival and nonsurvival groups with acute PQ poisoning ().

Parameters	Survival; (n = 21)	Nonsurvival; (n = 25)	value
Upper-lung field (Hu)	−766.833 ± 52.372	−771 ± 44.980	0.7765
Middle-lung field (Hu)	−797.381 ± 27.569	−730.1 ± 59.012	<0.0001
Lower-lung field (Hu)	−761.714 ± 50.743	−610.32 ± 56.014	<0.0001
Whole lung field (Hu)	−775.310 ± 39.448	−703.807 ± 40.943	<0.0001