Table 4. Patients stratified by points obtained in the risk score and number of cases with graft failure in each stratus.

Score	No. of eyes (% of total)	Failure (% of stratus)
5	55 (41.04)	3 (5.45)
6	3 (2.23)	1 (33.3)
7	16 (11.94)	1 (6.25)
8	10 (7.46)	3 (30)
9	9 (6.71)	4 (44.45)
10	10 (7.46)	4 (40)
11	7 (5.22)	2 (28.55)
12	5 (3.73)	3 (60)
13	5 (3.73)	1 (20)
14	2 (1.49)	2 (100)
15	2 (1.49)	2 (100)
16	4 (2.98)	4 (100)
17	4 (2.98)	4 (100)
18	2 (1.49)	2 (100)
Total	134	36