| NL (N = 14) | CA (N = 11) | US (N = 29) | P-value |
---|---|---|---|---|
Type of hospital | Â | Â | Â | Â |
   University | 4 (28.6) | 9 (81.8) | 16 (55.2) | 0.051 |
   Non-university teaching | 10 (71.4) | 2 (18.2) | 11 (37.9) |  |
   Non-university non-teaching | 0 (0.0) | 0 (0.0) | 2 (6.9) |  |
Trial coordinator | Â | Â | Â | Â |
   Not available | 0 (0.0) | 0 (0.0) | 1 (3.4) | < 0.001 |
   Available at site | 0 (0.0) | 8 (72.7) | 28 (96.6) |  |
   Provided by central coordinating site | 14 (100.0) | 3 (27.3) | 0 (0.0) |  |