Table 1.
Unadjusted hazard ratios for remote seizure after a stroke among children enrolled in Kaiser Permanente Northern California, 1993–2007. Location categories were not mutually exclusive.
| No remote seizure n/N (%) | Remote seizure n/N % | Unadjusted HR (95% CI) | Log-Rank P | |
|---|---|---|---|---|
| Age at stroke, median (IQR) | 13.4 (7.0, 17) | 9.8 (1.0, 17) | 0.96 (0.92, 0.99) | <0.0001 |
| Male sex | 141/249 (57) | 32/49 (65) | 1.4 (0.8, 2.6) | 0.2 |
| Caucasian race | 99/249 (40) | 20/49 (41) | 0.9 (0.5, 1.6) | 0.8 |
| Acute seizure | 48/239 (20) | 26/47 (55) | 4.1 (2.3, 7.3) | <0.0001 |
| Neurologic deficit at discharge | 144/247 (58) | 36/49 (73) | 1.7 (0.9, 3.2) | 0.1 |
| Location | ||||
| frontal | 84/249 (34) | 17/49 (35) | 1.1 (0.6, 1.9) | 0.8 |
| parietal | 70/249 (28) | 20/49 (41) | 1.7 (1.0, 3.0) | 0.1 |
| temporal | 54/249 (22) | 13/49 (27) | 1.4 (0.7, 2.7) | 0.3 |
| occipital | 33/249 (13) | 10/49 20) | 1.6 (0.8, 3.3) | 0.2 |
| cerebellum | 20/249 (8) | 2/49 (4) | 0.6 (0.1, 2.5) | 0.5 |
| Stroke type | 1.1 (0.9, 1.3) | 0.1 | ||
| Intraparenchymal hemorrhage | 108/249 (43) | 20/49 (41) | ||
| Arterial ischemic stroke | 96/249 (39) | 24/49 (49) | ||
| SAH/IVH | 32/249 (13) | 1/49 (2) | ||
| Venous sinus thrombosis | 13/249 (5) | 4/49 (8) | ||
| Laterality | 1.2 (0.8, 1.6) | 0.4 | ||
| left | 91/245 (37) | 21/49 (43) | ||
| right0 | 76/245 (31) | 18/49 (37) | ||
| bilateral | 40/245 (16) | 5/49 (10) | ||
| none | 38/245 (16) | 5/49 (10) | ||