Table 4. Postoperative outcomes in different patients groups.

Parameters	No. of eyes (%)
Previous trabeculectomy or combinedprocedure without MMC	108 (100)
Failure	25 (23.1)
Qualified success	53 (49.1)
Complete success	30 (27.8)
Previous trabeculectomy with MMC	16 (100)
Failure	3 (18.75)
Qualified success	4 (25.00)
Complete success	9 (56.25)
Previous cataract extraction	89 (100)
Failure	17 (19.1)
Qualified success	41 (46.1)
Complete success	31 (34.8)
Overall group	124 (100)
Failure	28 (22.6)
Qualified success	57 (46.0)
Complete success	39 (31.5)