Table 1.

Types of surgical procedures in individual age groups

Age group	< 0
Procedure:		Number	%	Revision	%
ETV (inc septostomy)		2	18.18	0	0
ETV + VPS		3	27.27	1	33.33
VPS		6	54.54	3	50
Ʃ		11
Age group	< 1
Procedure:		No.	%	Rev.	%
ETV (inc septostomy)		3	13.04	0	0
ETV + VPS		6	26.08	5	83.33
VPS		14	60.86	7	50
Ʃ		23
Age group	1–3
Procedure:		No.	%	Rev.	%
ETV (inc septostomy)		0	0	0	0
ETV + VPS		13	33.33	8	61.53
VPS		26	66.66	13	50
Ʃ		39
Age group	3–6
Procedure:		No.	%	Rev.	%
ETV (inc septostomy)		0	0	0	0
ETV + VPS		5	0	0	0
VPS		10		6	60
Ʃ		15
Age group	> 6
Procedure:		No.	%	Rev.	%
ETV (inc septostomy)		0	0	0	0
ETV + VPS		2	15.38	2	100
VPS		11	84.61	6	54.54
Ʃ		13