Demographic and clinical features and hippocampal volume (HV), corrected for brain size, of the subsets of children with severe or mild head injury used for the HV analysis
| Severe CHI (n=25) | Mild CHI (n=25) | p Value | |||||
|---|---|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | ||||||
| Age at test (y) | 11.90 (3.64) | 12.31 (2.91) | 0.67 | ||||
| (age range 5.9–17.0) | (age range 6.1–15.9) | ||||||
| Age at injury (y) (mean (SD)) | 10.61 (3.18) | 10.92 (3.10) | 0.73 | ||||
| Injury-study interval (y) (mean (SD)) | 1.40 (1.39) | 1.30 (1.39) | 0.81 | ||||
| Parental education (y) (mean (SD)) | 13.72 (2.46) | 14.54 (2.72) | 0.27 | ||||
| GCS score | 5.40 (1.87) | 14.44 (0.71) | 0.0001 | ||||
| Sex (n (%)): | |||||||
| Boys | 15 (60) | 17 (68) | 0.56 | ||||
| Girls | 10 (40) | 8 (32) | |||||
| Left HV (mean (SD))4-151 | 21.95 (3.66) | 22.28 (2.40) | 0.7 | ||||
| Right HV (mean (SD))4-151 | 21.36 (5.37) | 23.38 (2.17) | 0.09 | ||||
GCS=Glasgow coma score.
↵4-151 Ratio obtained by dividing hippocampal volume by intracranial area to control for intersubject variation in brain size.