Ketogenic Diet Decreases Emergency Room Visits and Hospitalizations Related to Epilepsy

Table 2

Rates of ED visits and hospitalization in the pre-KD period versus post-KD period.

	Before KD	Incidence rate (IR)	After KD	Incidence rate (IR)	IRR	SD (95% CI)
ED visits	66	0.15	42	0.09	0.64	0.197 (0.43–0.94)
Seizure-related	40	0.09	13	0.03	0.33	0.319 (0.17–0.61)
Not seizure-related	26	0.06	29	0.07	1.12	0.27 (0.66–1.89)
Hospitalizations	55	0.12	33	0.07	0.60	0.22 (0.39–0.92)
Seizure-related	40	0.09	14	0.03	0.35	0.311 (0.19–0.64)
Not seizure-related	15	0.03	19	0.04	1.27	0.345 (0.64–2.49)
Hospital days	210	0.47	128	0.29	0.61	0.112 (0.49–0.76)
Seizure-related	152	0.34	55	0.12	0.36	0.157 (0.27–0.49)
Not seizure-related	58	0.13	73	0.16	1.26	0.176 (0.89–1.78)

IR = incidence rate: it is the number of events divided by patient-months of observation.
IRR = incidence rate ratio; IRR < 1 indicates a lower incidence of the event in the postketogenic diet period.