Table 3.

Co-morbidity of patients with acute upper gastrointestinal bleeding n (%)

	Group A (65-80 yr)	Group B (> 80 yr)	P (95% CI)
No co-morbidity (Stage 0)	33/269 (12.3)	8/147 (5.4)	0.04 (1.09-5.4)
Presence of co-morbidity	236/269 (87.7)	139/147 (94.6)	0.04 (1.09-5.4)
Stage 1	56/269 (20.8)	34/147 (23.1)	NS
Stage 2	146/269 (54.3)	84/147 (57.1)	NS
Stage 3	34/269 (12.6)	21/147 (14.3)	NS
Hypertension	87/269 (32.3)	63/147 (42.8)	0.04 (0.42-0.96)
Cardiovascular diseases	126/269 (46.8)	87/147 (59.2)	0.02 (0.4-0.91)
Malignancy	30/269 (11.1)	14/147 (9.5)	NS
Pulmonary disease	26/269 (9.6)	12/147 (8.1)	NS
Neurologic diseases	21/269 (7.8)	14/147 (9.5)	NS
Cirrhosis	19/269 (7.0)	3/147 (2.0)	0.05 (1.06-12.54)
Diabetes mellitus	65/269 (24.1)	28/147 (19.0)	NS
Renal disease	12/269 (4.4)	11/147 (7.5)	NS

NS: No significance.