Table 6. Analysis of Diagnosis and Treatment Options of Lennox-Gastaut Syndrome.

Clinical Features	Specification	History of West syndrome (n=13)	No History of West syndrome (n=27)	p value
Seizure type	Tonic	7 (53.8)	7 (25.9)	0.085
	Focal	3 (23.1)	10 (37.0)	0.305
	Tonic-clonic	3 (23.1)	10 (37.0)	0.305
	Myoclonic	3 (23.1)	9 (33.3)	0.391
	Atonic	3 (23.1)	9 (33.3)	0.391
	Absence	1 (7.7)	6 (22.2)	0.254
	Clonic	0 (0)	2 (7.4)	0.450
	Other	8 (61.5)	3 (11.1)	0.002
Electroencephalography	Background rhythm
	Slow and disorganized background	13 (100)	27 (100)	-
	Focal slowing	3 (23.1)	5 (18.5)	0.521
	Epileptiform discharges
	GPFAs	10 (76.9)	10 (37.0)	0.018
	GSSW	7 (53.8)	16 (59.3)	0.504
	Focal sharp/spike waves	0 (0)	6 (22.2)	0.077
	Multifocal sharp/spike waves	11 (84.6)	16 (53.9)	0.105
Seizure frequency	At the time of diagnosis	283.2±469.4	118.6±150.8	0.103
	1 year after diagnosis	321.9±808.7	59.7±105.5	0.266
	Last visit after diagnosis	125.0±179.2	32.0±93.7	0.042
	Reduction rate (1 yr after diagnosis)
	Seizure-free	0 (0)	7 (25.9)	0.074
	Reduction ≥50%	7 (53.8)	9 (33.3)	0.185
	Reduction <50%	1 (7.7)	1 (3.7)	0.550
	Aggravation	5 (38.5)	10 (37.0)	0.599
	Reduction rate (last visit)
	Seizure free	1 (7.7)	10 (37.0)	0.060
	Reduction ≥50%	8 (61.5)	10 (37.0)	0.207
	Reduction <50%	1 (7.7)	1 (3.7)	0.573
	Aggravation	3 (23.1)	4 (14.8)	0.058
Antiepileptic drugs	At the time of diagnosis	2.7±1.3	2.7±1.4	0.979
	1 year after diagnosis	3.9±1.1	3.2±1.3	0.093
	Last visit after diagnosis	4.3±1.0	3.4±1.8	0.058
Ketogenic diet	Yes	9 (69.2)	15 (55.6)	0.503
	Retention rate
	Retention ≥6 mon	7/9 (77.8)	7/15 (46.7)	0.082
	Retention <6 mon	2/9 (22.2)	8/15 (53.3)	0.082
Epilepsy surgery	Yes	0 (0)	4 (14.8)	0.192

GPFA, generalized paroxysmal fast activity; GSSW, generalized slow spike wave.

Data are given as mean±standard deviation or number (percentage).