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Table 1 Clinical variables associated with mortality following suicidal organophosphorus poisoning

From: Lethality of suicidal organophosphorus poisoning in an Indian population: exploring preventability

Variables n Succumbed (n = 26) Survived (n = 74)
   n % n %
Gender      
Male 68 19 27.9 49 72.1
Female 32 7 21.9 25 78.1
Age group in years      
<18 5 0 0.0 5 100.0
18–20 17 0 0.0 17 100.0
21–30 42 12 28.6 30 71.4
31–40 20 8 40.0 12 60.0
41–50 6 2 33.3 4 66.7
51+ 10 4 40.0 6 60.0
Mean Age (SD) a   35.88 (13.17) 29.02 (13.2)
Mean pseudocholinesterase level (SD) b   1448.9 (1120.9) 3165.5 (2715.2)
Respiratory failure c 64 26 40.6 38 59.4
Mean ventilatory duration in hours (SD)   7.15 (6.01) 5.17 (7.46)
Symptoms of poisoning d      
Mild 8 0 0.0 8 100.0
Moderate 53 11 20.8 42 79.2
Severe 39 15 38.5 24 61.5
Lethality e      
Subliminal 20 0 0.0 20 100.0
Low 15 0 0.0 15 100.0
Moderate 28 6 21.4 22 78.6
High 21 8 38.1 13 61.9
Extremely high 16 12 75.0 4 25.0
Mean PAM interval in hours (SD) f   7.24 (6.28) 4.37 (4.63)
  1. a t: 2.28, df: 98, p: 0.024; b t: -3.12, df: 98, p: 0.002; c χ2: 19.76, df: 1, p: 0.00001; d χ2: 6.71, df: 2, p: 0.034; e χ2: 34.16, df: 4, p: 0.00000; f t: 2.47, df: 98, p: 0.015; Percentages are from the number of patients in that category of variable; figures in parentheses are SD.
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