. 2022 Apr 20;63(7):1736–1747. doi: 10.1111/epi.17247

TABLE 4.

EEG data

		State	Background symmetry	Spike‐wave frequency	Seizure	Other features
Patient 1	Baseline EEG	Awake Sleep	Symmetric	39.5	0	Runs of rhythmic delta +++ Photic noncontributory ^a
Patient 1	Post‐treatment	Awake Drowsy Sleep	Symmetric	10.5	0	Intermittent rhythmic delta + Frontal beta ^a Photic noncontributory ^a
Patient 2	Baseline EEG	NA	NA	NA	NA	NA
Patient 2	Post‐treatment	Awake	Symmetric	0	0	Focal rhythmic theta ++
Patient 3	Baseline EEG	Awake	Symmetric	26	0	Prominent generalized rhythmic theta
Patient 3	Post‐treatment	Awake	Symmetric	55	0	Spikes seen were focal
Patient 4	Baseline EEG	Awake	Symmetric	0	0	Rhythmic theta ~80%–85% Slow background ^a
Patient 4	Post‐treatment	Awake	Symmetric	0	0	Runs rhythmic theta >50%, with breath‐holding Slow posteriorly
Patient 5	Baseline EEG	Awake Drowsy	Symmetric	1	0	Focal rhythmic theta Posterior bursts (1–5 s) slow and fast ^a
Patient 5	Post‐treatment ^b	Awake Drowsy	Symmetric	605	Ictal pattern	NA

Abbreviations: EEG, electroencephalogram; NA, not available.

^{^a}

Only identified by one investigator.

^{^b}

Given consistency and severity of changes, only 5 min of spike‐wave frequency was assessed and doubled.