Estimated response rates per board (one hospital)
| Boards | Hospital size | Sent | Received | Response rate (%) |
| A | L | 1910 | 380 | 20 |
| B | M | 1010 | 220 | 22 |
| C | L | 2000 | 304 | 15 |
| D | L | 1500 | 398 | 27 |
| E | L | 2000 | 526 | 26 |
| F | S | 180 | 49 | 27 |
| H | S | 300 | 92 | 31 |
| Total | ā | 8900 | 1969 | 22 |
Lā„500 beds, M=250ā499 beds, S=50ā249 beds.