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Table 2 Patient demographic features and caustic ingestion characteristics by endoscopic grade of mucosal injury

From: Caustic ingestion in adults: The role of endoscopic classification in predicting outcome

Variables

Overall

Endoscopic Grade

 

(n = 273)

 
  

0

1

2a

2b

3a

3b

P

  

(n = 3)

(n = 31)

(n = 56)

(n = 62)

(n = 39)

(n = 82)

 

Age

43.77 ± 18.46

37.00 ± 27.78

40.45 ± 15.54

42.21 ± 18.96

40.92 ± 16.72

44.10 ± 17.78

48.32 ± 19.94

0.0107*

Male

127 (46.52)

3 (100)

16 (5.93)

31 (11.48)

26 (9.63)

16 (5.93)

35 (12.96)

0.1534

Accidental Ingestion

79 (28.94)

1 (33.33)

10 (32.26)

19 (33.93)

14 (22.58)

15 (38.46)

20 (24.39)

0.3820

Class of Substance

        

   Alkaline

96 (35.16)

3 (100)

9 (29.03)

22 (39.29)

24 (38.71)

13 (33.33)

25 (30.49)

0.5302

   Acid

        

   HCL

94 (34.43)

0 (0.00)

12 (38.71)

13 (23.21)

23 (37.10)

11 (28.21)

35 (42.68)

0.1498

   Other Acid

83 (30.40)

0 (0.00)

10 (32.26)

21 (37.50)

15 (24.19)

15 (38.46)

22 (26.83)

0.4086

Type of Substance

        

   Industrial cleaning

131 (47.99)

2 (66.67)

15 (48.39)

26 (46.43)

28 (45.16)

18 (46.15)

42 (51.22)

0.9574

   Drug

3 (1.10)

0 (0.00)

0 (0.00)

2 (3.57)

1 (1.61)

0 (0.00)

0 (0.00)

0.2862

   Pesticide

13 (4.76)

0 (0.00)

1 (3.23)

5 (8.93)

3 (4.84)

4 (10.26)

0 (0.00)

0.0194*

   Strong acid

95 (34.80)

1 (33.33)

11 (35.48)

15 (26.79)

24 (38.71)

14 (35.90)

30 (36.59)

0.7028

   Food

12 (4.40)

0 (0.00)

2 (6.45)

2 (3.57)

2 (3.23)

2 (5.13)

4 (4.88)

0.9265

   Others

19 (6.96)

0 (0.00)

2 (6.45)

6 (10.71)

4 (6.45)

1 (2.56)

6(7.32)

0.7013

Package Volume (ml)

100 (2–3000)

20 (10–100)

50 (30–100)

100 (35–150)

100 (50–150)

100 (50–120)

100 (50–200)

0.4423

  1. * P < 0.05 statistical significance
  2. Data presented as median (range) or N (%), endoscopic grade 0 is not included in the comparison for small contribution and possible confounding