Table 2.
Stroke location and presence of obstructive sleep apnea.
| Stroke Location | Overall (n=73) | OSAa (n=58) | No OSA (n=15) | p-value |
|---|---|---|---|---|
| Lobar | 38 (52.1) | 32 (55.2) | 6 (40.0) | 0.29 |
| Frontal | 19 (26.0) | 15 (25.9) | 4 (26.7) | 0.99 |
| Parietal | 16 (21.9) | 15 (25.9) | 1 (6.7) | 0.17 |
| Temporal | 9 (12.3) | 6 (10.3) | 3 (20.0) | 0.38 |
| Insular | 9 (12.3) | 8 (13.8) | 1 (6.7) | 0.67 |
| Occipital | 10 (13.7) | 9 (15.2) | 1 (6.7) | 0.68 |
| 1 lobe involved | 21 (28.8) | 18 (31.0) | 3 (20.0) | 0.53 |
| 2 lobes involved | 11 (15.1) | 9 (15.2) | 2 (13.3) | 0.99 |
| > 2 lobes involved | 6 (8.2) | 5 (8.6) | 1 (6.7) | 0.99 |
| Subcortical | 32 (43.8) | 25 (43.1) | 7 (46.7) | 0.80 |
| Thalamus | 8 (11.0) | 7 (12.1) | 1 (6.7) | 0.99 |
| Basal ganglia | 12 (16.4) | 8 (13.8) | 4 (26.7) | 0.25 |
| Internal capsule | 10 (13.7) | 10 (17.24) | 0 | 0.11 |
| Corona radiata | 16 (21.9) | 13 (22.4) | 3 (20.0) | 0.99 |
| Corpus callosum | 2 (2.7) | 1 (1.7) | 1 (6.7) | 0.37 |
| Brainstem | 8 (11.0) | 5 (8.6) | 3 (20.0) | 0.35 |
| Midbrain | 1 (1.4) | 1 (1.7) | 0 | 0.99 |
| Pons | 7 (9.6) | 4 (6.9) | 3 (20.0) | 0.15 |
| Medulla | 1 (1.4) | 1 (1.7) | 0 | 0.99 |
| Cerebellum/cerebellar peduncles | 6 (8.2) | 4 (6.9) | 2 (13.3) | 0.60 |
| ACA territory | 3 (4.11) | 3 (5.2) | 0 | 0.99 |
| MCA territory | 13 (17.8) | 11 (19.0) | 2 (13.3) | 0.99 |
| PCA territory | 3 (4.11) | 3 (5.2) | 0 | 0.99 |
Shown are n (%). ACA: anterior cerebral artery; MCA: middle cerebral artery; OSA: obstructive sleep apnea; PCA: posterior cerebral artery.
OSA is defined as present when the apnea-hypopnea index is ≥ 5 events/hour.