Table 2.

Median age at first surgery in boys in whom a new detection was made upon attending check versus those who remained undiagnosed despite attending check.

	New detection	Remained undiagnosed
Check	Age at surgery (95%CI)	Age at surgery (95%CI)	P-value
6–8-weeks	1.8 years (1.6 to 2.9)	4.7 years (4.4 to 5.9)	<0.001
8–9 months	2.7 years (2.7 to 4.7)	5.6 years (5.2 to 7.2)	<0.001
39–42 months	6.2 years (5.5 to 8.7)	9.2 years (7.6 to 10.4)	0.055