. 2016 Oct 31;60(2):258–261. doi: 10.1007/s00125-016-4142-x

Table 2.

Risk of epilepsy in patients with type 1 diabetes mellitus in UK

Variable	Exposed to type 1 diabetes	Controls	Exposed to type 1 diabetes at ≤18 years of age^a	Controls^a
n	4922	19,688	2893	11,550
Person-years, years	26,499	105,598	16,015	62,525
Incident diagnosis of epilepsy, n	35	46	24	28
Incidence rate (per 100,000 person-years), n	132	44	150	45
Mean follow up, years	5.52	5.42	5.54	5.41
Unadjusted HR (95% CI)	3.02 (1.95, 4.69)^***		3.44 (1.99, 5.96)^***
Adjusted HR (95% CI)^b	3.01 (1.93, 4.68)^***		3.40 (1.97, 5.88)^***

^aLimited to individuals with onset of type 1 diabetes at ≤18 years of age and age-matched controls

^bAdjusted for social deprivation, cerebral palsy, head injury and learning disability

***p < 0.001, individuals with type 1 diabetes vs controls