Table 4. Univariate analysis of age, gender and number of resected polyps for delayed colonic postpolypectomy hemorrhage based on patients.
| Non- hemorrhagic patients (n = 5507) | Hemorrhagic patients (n = 93) | P-value | |
| Age (Mean±SD) | 53±14 | 47±16 | 0.001
|
| Male(%) | 3874(70.3) | 70(75.3) | 0.208# |
| Number of resected polyps & (Median(P25–P75)) | 1(1–3) | 1(1–3) | 0.148§ |
, independent t test;
#
, Pearson χ2;
§
, Mann Whitney test;
&
, some patients have multiple colonic polyps, and these polyps are usually resected all at once. Number of resected polyps is represented in Median(P25–P75).