Histopathological changes in the oesophageal mucosa in Egyptian children with corrosive strictures: A single-centre vast experience

Table 1 The baseline characteristics of the three pathological groups of patients

Variable	Group A		Group B		Group C		P value
	Number	%	Number	%	Number	%
Gender
Male	52	61.2	9	69.2	2	100	0.469
Female	33	38.8	4	30.8	0	0.0
Age at time of enrolment (yr)	5.60 ± SD 2.50		8.08 ± SD 2.18		8.75 ± 6.01		0.002
Age of corrosive ingestion In years	1.94 ± SD 0.66		2.27 ± SD 0.44		6.25 ± SD 6.72		< 0.001
Type of corrosion
Alkaline	78	91.8	10	76.9	2	100	0.005
Neutral	6	7.0	0	0.0	0	0.0
Acidic	1	1.2	3	23.1	0	0.0
Weight in percentile
< 3rd	38	44.7	9	69.2	0	0.0	0.104
> 3rd	47	55.3	4	30.8	2	100
Height in percentile
< 3rd	61	71.8	9	69.2	0	0.0	0.091
> 3rd	24	28.2	4	30.8	2	100
Stricture site
Upper esophageal	74	87.1	12	92.3	1	50.0	0.253
Mid esophageal	53	62.4	10	76.9	2	100	0.341
Lower esophageal	3	3.5	0	0.0	0	0.0	0.761
Stricture length
Long segment	59	69.4	13	100	2	100	0.045
Short segment	26	30.6	0	0.0	0	0.0
Stricture number
Single	45	52.9	4	30.8	2	100	0.124
Multiple	40	47.1	9	69.2	0	0.0
Number of dilatation	35.21 ± 12.79		49.38 ± 21.81		42.50 ± 17.68		0.005
Duration since ingestion in years	3.66 ± 2.20		5.81 ± 2.41		2.50 ± 0.71		0.004
No further dilatation	43 (50.5%)		11 (84.6%)		0 (0.0%)		0.015
Ongoing dilatation	42 (49.5%)		2 (15.4%)		2 (100%)

SD: Standard deviation.