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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.