Table 1.
Description of the training (EEG recordings between January and December 2018) and testing cohorts (EEG recordings between January and June 2019).
Training cohort (EEGs from 2018) | Testing cohort (EEGs from 2019) | |||
---|---|---|---|---|
Seizure freedom at one year | Seizure recurrence at one year | Seizure freedom at one year | Seizure recurrence at one year | |
Number of EEGs | 417 | 132 | 217 | 84 |
Epilepsy diagnosis (%) | 214 (51.3) | 132 (100.0) | 98 (45.2) | 84 (100.0) |
Age (median [IQR]) | 52.00 [35.00, 64.00] | 37.00 [26.75, 55.00] | 54.00 [36.00, 66.00] | 37.00 [30.00, 57.25] |
Sex = woman (%) | 223 (53.5) | 56 (42.4) | 115 (53.0) | 51 (60.7) |
Total follow-up after eeg in weeks (median [IQR]) | 94.00 [35.00, 133.00] | 136.00 [97.50, 163.25] | 78.00 [32.00, 122.00] | 123.50 [94.25, 141.00] |
Epilepsy type (%) | ||||
Focal | 148 (35.5) | 88 (66.7) | 71 (32.7) | 66 (78.6) |
Generalized | 56 (13.4) | 41 (31.1) | 21 (9.7) | 13 (15.5) |
No epilepsy | 203 (48.7) | 0 (0.0) | 119 (54.8) | 0 (0.0) |
Unknown | 10 (2.4) | 3 (2.3) | 6 (2.8) | 5 (6.0) |
Age of epilepsy onset (median [IQR]) | 24.00 [15.00, 43.00] | 18.00 [13.00, 35.00] | 28.00 [15.00, 53.00] | 28.00 [14.00, 48.00] |
Number of days since last seizure (median [IQR]) | 801.00 [225.00, 3525.00] | 43.00 [9.50, 127.00] | 613.00 [165.00, 1489.50] | 32.50 [4.00, 90.00] |
Number of ASM (%) | ||||
0 | 197 (47.2) | 11 (8.3) | 108 (49.8) | 19 (22.6) |
1 | 149 (35.7) | 58 (43.9) | 80 (36.9) | 31 (36.9) |
2 | 48 (11.5) | 45 (34.1) | 21 (9.7) | 15 (17.9) |
3 | 19 (4.6) | 13 (9.8) | 6 (2.8) | 14 (16.7) |
4 | 4 (1.0) | 5 (3.8) | 2 (0.9) | 3 (3.6) |
5 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 2 (2.4) |
Focal lesion on brain imaging (%) | 142 (34.1) | 53 (40.2) | 76 (35.0) | 44 (52.4) |
Sleep deprived EEG (%) | 51 (12.2) | 13 (9.8) | 33 (15.2) | 18 (21.4) |
IED (%) | ||||
Absence | 333 (79.9) | 77 (58.3) | 174 (80.2) | 47 (56.0) |
Presence | 52 (12.5) | 46 (34.8) | 28 (12.9) | 30 (35.7) |
Uncertain | 32 (7.7) | 9 (6.8) | 15 (6.9) | 7 (8.3) |
Abnormal slowing on EEG (%) | 107 (25.7) | 37 (28.0) | 72 (33.2) | 39 (46.4) |