TABLE 1

Patients’ characteristics

Subject	IHC	mRNA	Gender	Ethnicity	Diagnosis	Gestational Age at Birth (weeks)^{^a}	Postnatal Age (weeks)^{^a}	Nutrition^b	Pathology Report	Resection Area
1	^*		Male	Caucasian	NEC And stoma closure	25.3	0.2 and 6.9	EF and PN	Necrotizing enterocolitis and stoma closure	Jejunum
2	^*		Male	Caucasian	Stoma closure (history of NEC)	30.3	5.7	EF	—	Ileum
3		^*	Male	Caucasian	Volvulus jejunum, malrotation	39.3	3.9	PN	—	Jejunum
4	^*		Male	Caucasian	Stoma closure (history of NEC)	25.6	16.6	EF	—	Ileum
5	^*	^*	Male	Unknown	NEC	30.9	8.9	EF and PN	Resection stenosis with necrotizing enterocolitis	Cecum
6	^*	^*	Male	Unknown	Jejunum atresia	35.7	0	PN	Stenosis	Jejunum
7		^*	Male	Unknown	NEC in patient with complex cor vitium death, enterobacter sepsis	33.0	0.9	EF	NEC	Ileum
8	^*	^*	Female	Caucasian	NEC	26.9	2.7	EF and PN	NEC	Ileum
9	^*	^*	Male	Unknown	CHD complicated by volvulus and intestinal necrosis after hernia repair	36.9	2.0	EF and PN	Ischemia	Jejunum
10	^*	^*	Female	Caucasian	NEC	26.4	2.0	PN	NEC	Ileum
11		^*	Male	Unknown	NEC	25.3	3.1	?	Ischemic enteritis	Jejunum
12		^*	Female	Caucasian	Stoma closure (history of NEC)	24.7	9.57	PN	—	Ileum
13		^*	Male	Caucasian	Midgut volvulus	28.1	3.86	PN	Infarction and peritonitis	Ileum
14	^*	^*	Male	Unknown	Meckel’s diverticulum	40.0	3.1	EF	Meckel’s diverticulum with ulcerations and normal small intestine	Ileum
15	^*	^*	Male	Caucasian	Jejunum atresia	38.3	0.1	PN	stenosis	Jejunum
16	^*	^*	Male	Caucasian	Jejunum atresia	38.0	0.1	PN	Small reactive changes	Jejunum
17		^*	Male	Caucasian	Jejunum atresia	38.3	0	PN	Atresia with extensive reactive changes	Jejunum
18	^*	^*	Male	Unknown	Ileum atresia	38.9	0.1	EF	Ileumatresia, no ischemia	Ileum
19		^*	Female	Caucasian	NEC	24.9	1.1	PN	NEC	Ileum
20		^*	Female	Unknown	Stoma closure (history of NEC)	25.6	13.9	EF		Ileum
21	^*		Male	Caucasian	Crohn’s disease: active	Adolescent	15 years	?	Ileocaecal resection	Ileum
22	^*		Female	Caucasian	Ulcerative colitis: active	Adolescent	17 years	?	Ileoanal pouch surgery	Ileum
23		^*		Caucasian	Biopsy in case of abdominal complaints; non-IBD	Adolescent	9 years	?	Normal	Ileum
24		^*		Caucasian	Biopsy in case of abdominal complaints; non-IBD	Adolescent	10 years	?	Normal	Ileum
25		^*		Caucasian	Biopsy in case of abdominal complaints; non-IBD	Adolescent	16 years	?	Normal	Ileum
26		^*		Caucasian	Biopsy in case of abdominal complaints; non-IBD	Adolescent	17 years	?	Normal	Ileum

CHD, congenital hernia diaphragmatic; EF, enteral feeding; IBD, inflammatory bowel disease; NEC, necrotizing enterocolitis; PN, parenteral nutrition.
↵^a Unless noted otherwise.
↵^b Up to 3 days before date of sampling EF or PN.
↵* available results for subject; ?, unknown nutritional information; —, no pathology report available.