Table 5. Cerebrospinal fluid shunt surgical site infection rates per 100 surgeries by hospital type, 2009–2018.

Year	Rate/100 surgeries
	Adult and mixed hospitals	Paediatric hospitals	All hospitals
2009	2.9	2.8	2.9
2010	3.2	3.9	3.5
2011	5.0	6.3	5.7
2012	2.5	3.9	3.2
2013	2.6	2.8	2.7
2014	1.6	2.6	2.0
2015	3.3	2.1	2.7
2016	4.4	2.4	3.3
2017	4.6	3.2	3.9
2018	2.4	2.3	2.4
Overall	3.2	3.3	3.2