Table 2.
Region-specific and integrated drone network characteristics for the three response time improvement goals evaluated using the testing set OHCAs.
| Drone response time improvement goal | Region | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||
| Toronto | Durham | Simcoe | Muskoka | Peel | Hamilton | Halton | York | All | |||
| Region-specific | Number of bases (number of total drones) | 1 min. | 3 (6) | 3 (6) | 5 (6) | 3 (3) | 2 (4) | 1 (2) | 3 (4) | 3 (6) | 23 (37) |
| 2 min. | 6 (12) | 5 (7) | 11 (12) | 5 (5) | 4 (8) | 1 (2) | 3 (4) | 5 (7) | 40 (57) | ||
| 3 min. | 13 (26) | 14 (16) | 20 (20) | 6 (6) | 10 (11) | 5 (7) | 5 (5) | 8 (9) | 81 (100) | ||
|
| |||||||||||
| Improvement in median time to AED on scene (mm:ss) | 1 min. | 1:07 | 1:00 | 1:01 | 1:06 | 1:11 | 1:00 | 1:05 | 1:05 | 0:59 | |
| 2 min. | 2:09 | 2:10 | 2:10 | 2:01 | 2:01 | 2:08 | 2:03 | 2:04 | 1:58 | ||
| 3 min. | 3:05 | 3:00 | 3:04 | 3:08 | 3:02 | 3:03 | 3:00 | 3:09 | 2:56 | ||
|
| |||||||||||
| Improvement in 90th percentile time to AED on scene (mm:ss) | 1 min. | 3:36 | 0:00 | 1:30 | 6:14 | 1:37 | 0:05 | 0:53 | 0:00 | 2:45 | |
| 2 min. | 5:28 | 3:09 | 5:43 | 9:06 | 2:43 | 1:57 | 0:00 | 3:15 | 4:47 | ||
| 3 min. | 6:43 | 4:37 | 7:47 | 10:34 | 4:21 | 3:24 | 4:30 | 4:50 | 6:05 | ||
|
| |||||||||||
| Proportion of cases where drone AED arrives prior to 911 (%) | 1 min. | 69.0 | 64.2 | 65.0 | 76.3 | 71.7 | 54.1 | 64.4 | 63.9 | 67.9 | |
| 2 min. | 87.6 | 82.1 | 78.6 | 79.7 | 84.7 | 75.3 | 73.9 | 79.5 | 84.6 | ||
| 3 min. | 96.1 | 94.6 | 89.6 | 84.2 | 94.6 | 92.2 | 92.7 | 89.2 | 94.6 | ||
|
| |||||||||||
| Integrated | Number of bases (Total drones) | 1 min. | 3 (7) | 2 (4) | 3 (4) | 0 (0) | 2 (4) | 1 (2) | 1 (2) | 3 (5) | 15 (28) |
| 2 min. | 6 (12) | 4 (6) | 7 (7) | 1 (1) | 4 (7) | 2 (4) | 4 (6) | 6 (8) | 34 (51) | ||
| 3 min. | 13 (26) | 5 (7) | 7 (7) | 0 (0) | 8 (10) | 4 (7) | 5 (5) | 7 (8) | 49 (70) | ||
|
| |||||||||||
| Improvement in median time to AED on scene (mm:ss) | 1 min. | 1:41 | 0:32 | 1:21 | 0:00 | 0:57 | 1:34 | 0:13 | 1:08 | 1:10 | |
| 2 min. | 2:37 | 1:47 | 3:34 | 0:00 | 1:32 | 2:11 | 2:11 | 2:12 | 2:12 | ||
| 3 min. | 3:35 | 2:48 | 3:43 | 0:00 | 2:34 | 3:09 | 2:57 | 3:25 | 3:09 | ||
|
| |||||||||||
| Improvement in 90th percentile time to AED on scene (mm:ss) | 1 min. | 4:39 | 0:00 | 0:00 | 0:00 | 1:30 | 1:49 | 0:00 | 0:00 | 3:28 | |
| 2 min. | 5:36 | 2:28 | 3:31 | 0:00 | 2:43 | 3:54 | 3:37 | 4:09 | 4:59 | ||
| 3 min. | 7:05 | 0:00 | 0:14 | 0:00 | 4:04 | 5:09 | 4:45 | 1:18 | 6:24 | ||
|
| |||||||||||
| Proportion of cases where drone AED arrives prior to 911 (%) | 1 min. | 79.5 | 53.1 | 59.1 | 0.0 | 68.4 | 68.9 | 48.1 | 61.3 | 70.2 | |
| 2 min. | 90.6 | 78.7 | 86.8 | 32.9 | 79.4 | 79.1 | 85.5 | 82.1 | 85.6 | ||
| 3 min. | 97.9 | 85.3 | 79.8 | 0.0 | 92.4 | 93.5 | 92.7 | 81.3 | 92.3 | ||