Single-center retrospective study of the diagnostic value of double-balloon enteroscopy in Meckel’s diverticulum with bleeding

Table 2 Meckel’s diverticulum hemorrhage incidence and age group analysis

Age in yr	Cases, n	Percentage	χ2	P value
≤ 30	51	61%	30.41a	< 0.01
30 < age ≤ 40	17	20%	28.56b	< 0.01
> 40	16	19%	0.04	> 0.05
Total	84	100%	N/A	N/A

^aP < 0.01: Comparison of bleeding incidence in MD group ≤ 30 years of age with > 40 years of age (Mann-Whitney U test).

^bP < 0.01: Comparison of bleeding incidence in MD group age ≤ 30 with 30 < age < 40 years (Mann-Whitney U test). P > 0.05: MD groups of 30 < age < 40 years and < 30 years of age were of no difference in bleeding incidence (Mann-Whitney U test).

N/A: Not applicable.