Table 1.
TBI studies (n = 9) | PTSD studies (n = 4) | |
---|---|---|
Study designs | 6 RCTs28,29,31–33,35 | 3 RCTs |
2 nonrandomized trials30,36 | 1 cluster RCT | |
1 interrupted time series34 | ||
Study years | 1995, 2005 (2 studies), 2008, 2012, 2013, 2015, 2016 (2 studies) | 1999, 2008, 2012, 2015 |
Number of patients | 1148 | 324 |
Number of caregivers (studies NR) | 673 (2 studies NR) | 97 (2 studies NR) |
Mean patient age (range) reported in # of study arms (studies NR) | 38.7 (30.3–44.6) reported in 18 study arms (2 studies NR) | 38.0 (32.6–46.7) reported in 9 study arms |
Mean caregiver age (range) reported in # studies | 48.6 (41.2–51.8) reported in 6 studies | 34.5 (32.2–40.7) reported in 2 studies |
Intervention setting | Patients living in the community | Patients living in the community |
Patients are veterans | 1 study | 3 studies |
Countries | USA (6), Canada (1), UK (1), Australia (1) | USA (4), Canada (1)* |
*One study was conducted in both the USA and Canada