Clinical Research
Copyright ©2005 Baishideng Publishing Group Inc.
World J Gastroenterol. Dec 7, 2005; 11(45): 7122-7130
Published online Dec 7, 2005. doi: 10.3748/wjg.v11.i45.7122
Table 2 Rebleeding rate according to age, sex, Rockall score, Forrest’s classification, ulcer size, operator’s experience, and time of endoscopy
Total NO. of patientsRebleeding rateP
Age (yr)
<658889.1% (A)0.046A vs B
65-74751520.0% (B)0.370B vs C
> 741092825.7% (C)0.003A vs C
Sex
Males1863619.4%0.707
Females861517.4%
Rockall score
1–49266.5% (A)0.016A vs B
5–61122017.8% (B)0.005B vs C
>6682536.7% (C)<0.001A vs C
Forrest’s classification
IA–IB65913.8% (A)0.001A vs B
IIA–IIB823340.2% (B)<0.001B vs C
IIIC12597.2% (C)0.138A vs C
Ulcer size a
< 20 mm1522415.8%0.079
≥ 20 mm701825.7%
Surgeon’s experience
High2142913.6%< 0.001
Low582237.9%
Time of endoscopy
Working hours2214118.5 %0.862
Out of working511019.6%
hours