Table 5. Comparison of OTSC outcome among different groups.

	Overall mortality			Overall rebleeding
Rockall Risk Score	Rockall Cohort (n = 2956)	Study Cohort (n = 18)	P value	Rockall Cohort (n = 2956)	Study Cohort (n = 18)	P value
Low risk (RS ≤ 3)	9 (1 %)	0 (0 %)	ns	84 (7 %)	0 (0 %)	ns
Intermediate risk (RS = 4 – 7)	203 (13 %)	1 (8 %)	ns	374 (24 %)	0 (0 %)	0.08
High risk (RS ≥ 8)	78 (41 %)	2 (33 %)	ns	101 (53 %)	0 (0 %)	0.01
	Institution cohort (n = 52)	Study cohort (n = 18)		Institution cohort (n = 52)	Study cohort (n = 18)
Low risk (RS ≤ 3)	0 (0 %)	0 (0 %)	ns	2 (9 %)	0 (0 %)	ns
Intermediate-to-high risk (RS ≥ 4)	2 (7 %)	3 (17 %)	ns	6 (21 %)	0 (0 %)	0.06

ns, not significant; RS, Rockall score.