Table 2.

The frequency of endoscopic findings according to Forrest classification in 80 patients with upper gastrointestinal bleeding treated with intravenous cimetidine or oral omeprazole. P values for all classes were 0.9.

Endoscopic findings	Cimetidine group No (%)	Omeprazole group No (%)
Arterial spurting bleeding (IA)	3 (7.5)	2 (5)
Arterial oozing bleeding (IB)	15 (37.5)	13 (32.5)
Visible vessel (IIA)	5 (12.5)	3 (7.5)
Sentinel clot (IIB)	12 (30)	15 (37.5)
Hematin covered flat spot (IIC)	5 (12.5)	7 (17.5)