TABLE 1

Clinical Features of Infants With Rectal Bleeding Who Did Not Participate in the Study (N = 4)

GenderReason for NonparticipationOutcome
Refused
    4 d oldFExhaustion of the motherNo bloody stools
Excluded
    1.5 mo oldMSuspicion of intussusceptionSalmonella typhimurium in stools; no bloody stools after cefotaxime treatment
    1 mo oldMSuspicion of Hirschsprung diseaseNo bloody stools; constant constipation; diagnosis of ultra–short-segment Hirschsprung disease
    1.5 mo oldFRisk of bone fracture during colonoscopy resulting from osteogenesis imperfectaNo bloody stools