Table 2. Univariate Analysis of Patient-Related Factors between the Bone Flap Preservation and Resorption Groups.
| Factors | Preservation group (n=22) | Resorption group (n=75) | p value |
|---|---|---|---|
| Age (yr) | 50.50±13.94 | 45.91±16.70 | 0.243 |
| Age group (under 30 years-old) (yes:no) | 3:19 | 16:59 | 0.550 |
| GCS score at craniectomy | 8.270±2.881 | 8.390±2.981 | 0.874 |
| GOS score at 12 months | 4.050±0.999 | 3.770±1.008 | 0.267 |
| Sex (male:female) | 2:1 | 3.4:1 | 0.589 |
| Hydrocephalus requiring shunting (yes:no) | 6:16 | 18:57 | 0.782 |
| Past history | 0.345 | ||
| None | 17 | 57 | |
| Diabetes mellitus | 0 | 8 | |
| Hypertension | 4 | 8 | |
| Arterial fibrillation | 1 | 2 | |
| Cause of craniectomy | 0.444 | ||
| Trauma | 14 | 57 | |
| Cerebral infarction | 3 | 5 | |
| Spontaneous intracranial hemorrhage | 5 | 13 |
GCS, Glasgow Coma Scale; GOS, Glasgow Outcome Scale.
Data are presented as mean±SD or number.