Table 1.

Relationship between range of age and complications

Range of age (months)	n	%	Complications	% in each group
0–6	11	11	0	0
7–12	42	42	8	19
13–18	17	17	6	35
19–24	6	6	5	83
>24	23	23	8	34
Total	99	100	27

Most of the patients with complications belonged to the age group between 19 and 24 months. This greater average of complications was statistically significant (Fisher’s Exact Test for Count Data, p = 0.0002)