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. 2016 Dec 1;10(12):UC18–UC20. doi: 10.7860/JCDR/2016/22116.9038

[Table/Fig-4]:

Severity of poisoning and duration of mechanical ventilation using modified Dreisbach’s classification [10].

Total patients Severity Duration of mechanical ventilation
Mild Moderate Severe <2 days 2-7 days >7 days
Survived 12(26.09) 22(47.83) 9(19.57) 6(66.67) 1(11.11)
Died 0 1(2.17) 2(4.35) 1(11.11) 1(11.11)
Total 12 23 11 1 6 2