Table 3:
Prevalence of CMH in civilian and military populations
| Authors | Population | Mechanism of mTBI | Prevalence of CMH | Time since mTBI | MRI | Voxel Size (mm) |
|---|---|---|---|---|---|---|
| van der Horn et al (2017)24 | Civilian | Blunt | 15/54 (28%) | 33 days | SWI (3T) | 0.9 × 0.9 × 2 |
| Trifan et al (2017)34 | Civilian | Blunt | 26/150 (17%) | 29 months | SWI (3T) | 0.5 × 0.5 × 2 |
| Toth et al (2018)35 | Civilian | Blunt | 1/13 (8%) | 2 years | SWI (3T) | 1.0 × 0.9 × 1.5 |
| Huang et al (2015)22 | Civilian | Blunt | 23/111 (23%) | 25 days | SWI (3T) | 0.5 × 0.5 × 2 |
| Wang et al (2014)23 | Civilian | Blunt | 32/165 (19%) | ≤3 days | SWI (3T) | 0.7 × 0.7 × 1.2 |
| Yuh et al (2013)21 | Civilian | Blunt | 23/98 (23%) | 12 days | T2*-weighted GRE (1.5/3T) | NA |
| Topal et al (2008)36 | Civilian | Blunt | 4/40 (10%) | <1 day | T2*-weighted GRE (1.5T) | NA |
| Tate et al (2017)26 | Military members | Mixed blunt and blast | 9/77 (12%) | 309 days | SWI (3T) | 1.0 × 0.9 × 1.5 |
| Liu et al (2016)25 | Military members | Mixed blunt and blast | 18/559 (3%) | 1325 days | SWI (3T) | 0.5 × 0.9 × 1.5 |
| Riedy et al (2016)3 | Military members | Mixed blunt and blast | 29/768 (4%) | 1381 days | SWI (3T) | 0.5 × 0.9 × 1.5 |
| Current study (2018) | Military members | Blast | 0/146 (0%) | 9 years | SWI (3T) | 0.5 × 0.6 × 2 |
Note:—NA indicates not applicable; GRE, gradient recalled-echo.