Table 1.

Patient characteristics

Control patients (n = 26)
Age (median), y	3-68 (52)
Donor type	Unrelated 16, related 10
HLA-match	Matched 21, mismatched 5
Conditioning regimens*	Full intensity 8, reduced intensity 18
Day of duodenal biopsy (median)
Asymptomatic screening patients	20-30 (26)
Chronic GVHD work-up	133-882 (246)
Non-GVHD enteritis	31-163 (37)
GI GVHD patients (n = 116)
Age (median), y	9-67 (52)
Donor type	Unrelated 70, related 40
HLA-match	Matched 85, mismatched 31
Conditioning regimens*	Full intensity 58, reduced intensity 58
GI GVHD onset (median), d	10-282 (37)
Day of duodenal biopsy (median)	11-290 (40)

HLA, human leukocyte antigen.

^*Details of the conditioning regimens are provided in supplemental Table 1.