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©The Author(s) 2017.
World J Exp Med. Feb 20, 2017; 7(1): 31-39
Published online Feb 20, 2017. doi: 10.5493/wjem.v7.i1.31
Published online Feb 20, 2017. doi: 10.5493/wjem.v7.i1.31
Table 1 Baseline demographics of the subjects, 2010-2015
Variable | Total = 104 |
Gender | |
Male (%) | 69 (66.3) |
Female (%) | 35 (33.7) |
Duration of hospitalization | |
1-6 d (%) | 61 (58.7) |
7-13 d (%) | 29 (27.9) |
More than 14 d (%) | 14 (13.5) |
Mean (d) | 6.73 ± 5.73 |
Time interval (d) | 1-27 |
Cause of poisoning | |
Occupational exposure (%) | 4 (3.8) |
Suicidal (%) | 97 (93.3) |
Accidental (%) | 3 (2.9) |
Habitat | |
Rural (%) | 80 (76.9) |
Urban (%) | 24 (23.1) |
Type of poisoning | |
Ingestion (%) | 101 (97.1) |
Injection (%) | 3 (2.9) |
Outcome | |
Recovery (%) | 59 (56.7) |
Death due to complications (%) | 45 (43.3) |
Table 2 Chest radiographic findings of the 45 survivors and non-survivors among paraquat poisoned patients
Radiographic findings | Time interval of radiographic study (d) | No. of patients (percent in the survivors/non-survivors groups) |
Non-survivors (n = 18) | ||
Pneumothorax (%) | 2-5 | 2 (11.1) |
Pneumomediastinum/emphysema (%) | 1-2 | 2 (11.1) |
ARDS (%) | 1-10 | 4 (22.2) |
Lung fibrosis (%) | 4-14 | 10 (55.6) |
Survivors (n = 27) | ||
Pneumothorax (%) | 1-5 | 2 (7.4) |
Lung fibrosis (%) | 4-32 | 4 (14.8) |
Normal (%) | 1-8 | 21 (77.8) |
Table 3 The cutoff point for the amount of poison consumption and patients’ death
Variable | Area under the ROC (the minimum positive predictive value of 90%) | Cutoff point | Positive predictive value | Negative predictive value | Sensitivity | Specificity |
Amount of consumed poison | 0.945 (0.87-1.0) | 22.5 | 93.3 | 98.3 | 93.3 | 98.3 |
Table 4 Cutoff point for the levels of serum creatinine, blood urea nitrogen, aspartate aminotransferase and alanine transaminase on the third day in relation with patients’ death considering the minimum positive predictive value of 90%
Laboratory variables in the third day of admission | Area under the ROC (the minimum positive predictive value of 90%) | Cutoff point | Positive predictive value | Negative predictive value | Sensitivity | Specificity |
Serum creatinine | 0.90 (0.83-0.97) | 1.95 | 90.9 | 70.8 | 90.9 | 70.8 |
BUN | 0.80 (0.69-0.91) | 25 | 95.4 | 66.7 | 95.5 | 66.7 |
AST | 0.85 (0.58-1.000) | 24.5 | 100 | 66.78 | 100 | 72.7 |
ALT | 0.79 (0.57-1.000) | 12 | 93.3 | 10.34 | 88.9 | 9.1 |
- Citation: Kavousi-Gharbi S, Jalli R, Rasekhi-Kazerouni A, Habibagahi Z, Marashi SM. Discernment scheme for paraquat poisoning: A five-year experience in Shiraz, Iran. World J Exp Med 2017; 7(1): 31-39
- URL: https://www.wjgnet.com/2220-315X/full/v7/i1/31.htm
- DOI: https://dx.doi.org/10.5493/wjem.v7.i1.31