Table 2.
Mean neurobehavioral symptom inventory (NSI) scores by comorbidity burden.
| M (SD) | Comorbidity burden * | |||
|---|---|---|---|---|
| None | One | Two | Three | |
| NSI measure | ||||
| Affective subscale | 1.51 (0.88) | 2.00 (0.95) | 2.49 (0.87) | 2.80 (0.81) |
| Cognitive subscale | 1.36 (0.93) | 1.73 (1.01) | 2.13 (1.00) | 2.45 (0.95) |
| Somatosensory subscale | 0.91 (0.64) | 1.21 (0.71) | 1.46 (0.75) | 1.75 (0.77) |
| Vestibular Subscale | 0.78 (0.72) | 1.00 (0.79) | 1.24 (0.83) | 1.49 (0.86) |
| Total NSI | 25.46 (14.18) | 33.13 (15.50) | 40.66 (15.51) | 47.01 (15.43) |
*
Comorbidity burden value is defined as “none” for those with no history of PTSD, depression, or headache but otherwise equal to the count of these three diagnoses.