Why the migration of peritoneal shunt catheter into the scrotum occurs more in children: A systematic literature review

Table 3 Yearly overview of literature included in the systematic review (n = 95)

Publication (year-wise)	Group A	Group B	Total (A+B)	Standard deviation	Mean	95%CI (margin of error)
1974–1980	4	0	4	2	2	2-2.772 (± 138.59%)
1981–1985	2	0	2	1	1	1-1.386 (± 138.59%)
1986–1990	4	0	4	2	2	2-2.772 (± 138.59%)
1991–1995	4	0	4	2	2	2-2.772 (± 138.59%)
1996–2000	5	1	6	2	3	3-2.772 (± 92.40%)
2001–2005	4	0	4	2	2	2-2.772 (± 138.59%)
2006–2010	8	0	8	4	4	4-5.544 (± 138.59%)
2011–2015	17	2	19	7.5	9.5	9.5-10.394 (± 109.42%)
2016–2020	22	1	23	10.5	11.5	11.5-14.552 (± 126.54%)
2021–2024	17	4	21	6.5	10.5	10.5-9.009 (± 85.80%)
Total	87	8	95	39.5	47.5	47.5-54.744 (± 115.25%)