Table 2

Visually interpreted (clinical) EEG results


AUDS patients
n = 16
MDE patients
n = 16
p valuea

Focal slow activity
5 (31%)
3 (19%)
0.69

General slow activity
5 (31%)
2 (13%)
0.39

Epileptiform activity
5 (31%)
2 (13%)
0.39

0–1 abnormal feature
8 (50%)
15 (94%)
0.016b

≥ 2 abnormal features
8 (50%)
1 (6%)


Number of subjects (%) with abnormal EEG-features in at least one of three testsaFisher's exact test. AUDS: Acute Unstable Depressive Syndrome. MDE: Major Depressive Episode

bThe cutoff employed is the median number of abnormal features

Bjørk et al. BMC Psychiatry 2008 8:89   doi:10.1186/1471-244X-8-89