Table 1.

Evaluation of success rate at different follow up periods and after giving additional injections until a maximum of 3 where required

Time of follow up	Number of patients who received single injection	Number of patients who received two injections	Number of patients who received three injections	Success rate %
2 weeks	23	–	–	7/23 = 30.4 %
4 weeks	7	16	–	(7/23 + 9/23) = 69.5 %
3 months	7	10	6	(7/23 + 10/23 + 6/23) = 100 %
6 months	7	10	6	(7/23 + 8/23 + 6/23) = 91.3 %a

^aFailure in two cases after 4 months