Table 2.
Regiona and type | Forecast horizonb | |||||||||||||||
|
1 week ahead | 2 weeks ahead | 3 weeks ahead | 4 weeks ahead | ||||||||||||
|
WAPEc | MAEd (SD) | WAPE | MAE (SD) | WAPE | MAE (SD) | WAPE | MAE (SD) | ||||||||
State | ||||||||||||||||
|
Beds including ICUse | 0.170 | 81.8 (91.9) | 0.244 | 130 (141) | 0.307 | 179 (206) | 0.334 | 210 (249) | |||||||
|
ICUs | 0.163 | 23.6 (22.4) | 0.244 | 38.8 (39.4) | 0.338 | 58.3 (64.1) | 0.380 | 69.6 (81.0) | |||||||
|
Ventilators | 0.188 | 13.5 (13.6) | 0.261 | 21.2 (21.9) | 0.324 | 29.2 (31.4) | 0.349 | 34.2 (40.3) | |||||||
Central | ||||||||||||||||
|
Beds including ICUs | 0.175 | 27.3 (33.9) | 0.267 | 46.9 (60.9) | 0.381 | 74.0 (97.9) | 0.486 | 103 (113) | |||||||
|
ICUs | 0.177 | 12.1 (13.7) | 0.257 | 19.5 (23.4) | 0.385 | 31.8 (39.7) | 0.485 | 42.8 (50.6) | |||||||
|
Ventilators | 0.204 | 9.43 (10.7) | 0.281 | 14.7 (17.3) | 0.358 | 20.9 (26.2) | 0.406 | 25.9 (32.6) | |||||||
Northwest | ||||||||||||||||
|
Beds including ICUs | 0.283 | 12.8 (19.5) | 0.335 | 17.9 (27.6) | 0.425 | 26.5 (39.7) | 0.480 | 34.0 (44.2) | |||||||
|
ICUs | 0.261 | 3.62 (4.09) | 0.368 | 5.81 (7.07) | 0.482 | 8.82 (11.3) | 0.516 | 10.6 (14.2) | |||||||
|
Ventilators | 0.557 | 2.06 (2.17) | 0.673 | 2.76 (2.80) | 0.757 | 3.53 (4.30) | 0.729 | 3.73 (5.44) | |||||||
Southeast | ||||||||||||||||
|
Beds including ICUs | 0.240 | 8.89 (7.59) | 0.310 | 12.5 (12.9) | 0.394 | 17.1 (16.4) | 0.468 | 21.9 (19.5) | |||||||
|
ICUs | 0.271 | 5.49 (4.55) | 0.367 | 7.98 (7.64) | 0.446 | 10.1 (10.2) | 0.425 | 9.90 (10.1) | |||||||
|
Ventilators | 0.346 | 2.17 (2.21) | 0.468 | 3.34 (3.43) | 0.547 | 4.21 (4.55) | 0.605 | 5.03 (4.86) | |||||||
Southwest | ||||||||||||||||
|
Beds including ICUs | 0.251 | 15.1 (14.4) | 0.413 | 26.9 (30.0) | 0.595 | 41.0 (44.2) | 0.618 | 45.0 (43.0) | |||||||
|
ICUs | 0.249 | 10.1 (9.47) | 0.410 | 18.2 (21.1) | 0.562 | 26.6 (33.5) | 0.601 | 30.0 (34.4) | |||||||
|
Ventilators | 0.240 | 5.32 (5.04) | 0.366 | 9.06 (9.40) | 0.412 | 11.4 (10.6) | 0.428 | 12.9 (9.95) | |||||||
Northeast | ||||||||||||||||
|
Beds including ICUs | 0.306 | 10.4 (13.3) | 0.417 | 15.7 (20.1) | 0.584 | 24.6 (30.4) | 0.672 | 30.8 (34.8) | |||||||
|
ICUs | 0.311 | 3.25 (3.64) | 0.434 | 5.27 (6.16) | 0.570 | 7.63 (9.51) | 0.650 | 9.46 (10.3) | |||||||
|
Ventilators | 0.408 | 2.21 (2.34) | 0.514 | 3.33 (3.15) | 0.582 | 4.20 (3.83) | 0.609 | 4.69 (4.11) |
aRegions are listed in increasing order of overall WAPE across both the forecast horizon and health care categories.
bFor each forecast horizon, we considered all daily forecasts within that week.
cWAPE: weighted absolute percentage error.
dMAE: mean absolute error.
eICUs: intensive care units.