Prognostic Value of the Average Lung CT Number in Patients with Acute Paraquat Poisoning
Table 1
Comparisons of baseline characteristics between the survival and nonsurvival groups with acute PQ poisoning.
Parameters
Survival (n = 21)
Nonsurvival (n = 25)
value (two tailed)
Age
40.52 ± 14.327
44.68 ± 17.026
0.381
Sex (female)
11 (52.38%)
13 (52%)
0.980
Mode of poisoning (suicide)
15 (71.43%)
23 (92%)
0.067
Time from poisoning to treatment (h)
8.17 ± 5.223
7.60 ± 3.452
0.6477
Time from admission to chest CT examination (d)
2.563 ± 1.482
2.125 ± 1.221
0.278
Time from poisoning to chest CT examination (h)
69.69 ± 34.7608
58.6 ± 28.9036
0.244
Hospital length of stay
7.19 ± 0.836
4.76 ± 5.464
0.094
Body temperature (°C)
36.676 ± 0.3177
36.884 ± 0.5367
0.112
Pulse rate (beats/min)
77.476 ± 15.4907
82.68 ± 14.1354
0.240
Respiratory rate (breaths/min)
18.857 ± 1.9049
20.04 ± 2.5736
0.088
Mean arterial pressure (mmHg)
94.698 ± 13.2106
96.333 ± 12.6652
0.671
Finger pulse oxygen
95.962 ± 3.6757
96.48 ± 3.1901
0.6611
Smoking history
2
3
0.794
Drinking history
1
2
0.666
Toxic dose (ml)
19.3 ± 15.3
35.4 ± 17.9
<0.0001
Plasma concentration of paraquat (μg/ml)
0.444 ± 0.805
3.906 ± 5.226
0.0031
Two patients in the nonsurvival group had both a history of smoking and drinking, while one patient had a history of both smoking and drinking in the survival group. Plasma concentration of paraquat was detected by high performance liquid chromatography (HPLC).
