Clinical characteristics of hospitalized children with gastrointestinal bleeding and risk factors for associated anemia

Table 6 Symptomatic differences between anemic and non-anemic patients, n (%)

Variables	Non-anemic group (n = 212)	Anemic group (n = 45)	χ2 value	P value
Hematochezia			5.69	0.017
No	86 (40.57)	27 (60.00)
Yes	126 (59.43)	18 (40.00)
Vomiting			1.64	0.200
No	148 (69.81)	27 (60.00)
Yes	64 (30.19)	18 (40.00)
Hematemesis			0.19	0.661
No	162 (76.42)	33 (73.33)
Yes	50 (23.58)	12 (26.67)
Abdominal pain			2.26	0.133
No	147 (69.34)	26 (57.78)
Yes	65 (30.66)	19 (42.22)
Melena			60.43	< 0.001
No	200 (94.34)	23 (51.11)
Yes	12 (5.66)	22 (48.89)
Diarrhea			9.02	0.003
No	160 (75.47)	43 (95.56)
Yes	52 (24.53)	2 (4.44)
Duodenal bulb ulcer			28.83	< 0.001
No	206 (97.17)	33 (73.33)
Yes	6 (2.83)	12 (26.67)
Gastric ulcer			7.09	0.008
No	210 (99.06)	41 (91.11)
Yes	2 (0.94)	4 (8.89)
Crohn’s disease			-	0.211
No	209 (98.58)	43 (95.56)
Yes	3 (1.42)	2 (4.44)
Helicobacter pylori infection			29.32	< 0.001
No	201 (94.81)	30 (66.67)
Yes	11 (5.19)	15 (33.33)
Meckel’s diverticulum			17.64	< 0.001
No	208 (98.11)	37 (82.22)
Yes	4 (1.89)	8 (17.78)
Colitis			4.14	0.042
No	178 (83.96)	43 (95.56)
Yes	34 (16.04)	2 (4.44)
Colonic polyp			7.76	0.005
No	180 (84.91)	45 (100.00)
Yes	32 (15.09)	0 (0.00)
Acute enteritis			5.38	0.020
No	184 (86.79)	45 (100.00)
Yes	28 (13.21)	0 (0.00)
Acute gastroenteritis			-	1.000
No	210 (99.06)	45 (100.00)
Yes	2 (0.94)	0 (0.00)
Rectal polyp			1.70	0.192
No	192 (90.57)	44 (97.78)
Yes	20 (9.43)	1 (2.22)
Superficial gastritis			0.04	0.836
No	193 (91.04)	42 (93.33)
Yes	19 (8.96)	3 (6.67)
Anal fissure			0.54	0.464
No	205 (96.70)	45 (100.00)
Yes	7 (3.30)	0 (0.00)
Acute gastritis			2.22	0.137
No	197 (92.92)	45 (100.00)
Yes	15 (7.08)	0 (0.00)