Table 3.
Association between patient/MF fracture characteristics and the incidence of DAI.
| DAI Present (%) | DAI Not Present (%) | |
|---|---|---|
| Sex | ||
| M (n = 7) | 5 (71.4) | 2 (28.6) |
| N (n = 17) | 11 (64.7) | 6 (32.6) |
| F (n = 3) | 3 (100) | 0 (0) |
| S (n = 16) | 12 (75) | 4 (25) |
| p = 0.37 | ||
| Age (years) | ||
| Range | 0.16 – 12 | 0.41 – 15 |
| Mean | 1 | 6 |
| Median | 1 | 4 |
| < 3 yr (n = 27) | 22 (81.5) | 5 (18.5) |
| 3 yr to 6 yr (n = 5) | 4 (80) | 1 (20) |
| 7 yr to 10 yr (n = 6) | 4 (66.6) | 2 (33.3) |
| >10 yr (n = 5) | 1 (20) | 4 (80) |
| p = 0.04* | ||
| Skull Type | ||
| Brachycephalic (n = 12) | 10 (83.3) | 2 (16.6) |
| Mesaticephalic (n = 29) | 20 (69) | 9 (31) |
| Dolicocephalic (n = 2) | 1 (50) | 1 (50) |
| p = 0.5 | ||
| Mechanism of Trauma | ||
| Unknown (n = 10) | 6 (60) | 4 (40) |
| Play (n = 2) | 2 (100) | 0 (0) |
| Altercation (n = 15) | 9 (60) | 6 (40) |
| Miscellaneous Accident (n = 2) | 0 (0) | 2 (100) |
| Motor Vehicle Accident (n = 7) | 7 (100) | 0 (0) |
| Hit by Object (n = 6) | 6 (100) | 0 (0) |
| Fall from Height (n = 1) | 1 (100) | 0 (0) |
| p = 0.04* | ||
| Region of MF Fracture | ||
| Exclusively Upper (n = 0) | 0 (0) | 0 (0) |
| Exclusively Middle (n = 4) | 4 (100) | 0 (0) |
| Exclusively Lower (n = 31) | 20 (64.5) | 11 (35.5) |
| Combination (n = 8) | 7 (87.5) | 1 (12.5) |
| Number of MF Fractures | ||
| 1 (n = 28) | 21 (75) | 7 (25) |
| 2 (n = 11) | 6 (54.5) | 5 (45.5) |
| 3 (n = 2) | 2 (100) | 0 (0) |
| 4 (n = 2) | 2 (100) | 0 (0) |
| p = 0.34 |
*
= statistically significant (p<0.05)