Table 2.
Medians and adjusted means for primary and select secondary outcomes by quarter.
| Outcome | 2019 Q1∗ Jan-Mar (reference) |
2020 Q1 Jan-Mar |
2020 Q2 Apr-Jun |
2020 Q3 Jul-Sep |
2020 Q4 Oct-Dec |
2021 Q1 Jan-Mar |
2021 Q2 Apr-Jun |
2021 Q3 Jul-Sep |
2021 Q4 Oct-Dec |
|---|---|---|---|---|---|---|---|---|---|
| Total boarding hours per month | |||||||||
| Median (IQR) | 7,204 (2,968-11,286) | 5,643 (3,042-10,309) | 2,965 (1,824-5,232) | 6,713 (2,660-10,462) | 7,920 (3,280-11,247) | 7,134 (2,995-11,179) | 8,928 (3,730-13,265) | 10,040 (5,635-13,879) | 11,480 (6,370-13,796) |
| Adjusted Mean (95% CI) | 8,521 (7,845-9,197) | 8,033 (7,191-8,875) | 4,449 (3,189-5,710) | 7,844 (7,096-8,592) | 8,812 (8,109-9,514) | 8,827 (8,275-9,379) | 10,383 (9,677-11,088) | 11,838 (10,806-12870) | 12,127 (10,925-13,328) |
| Total LWBS or SAL per month | |||||||||
| Median (IQR) | 201 (77-339) | 159 (78-308) | 57 (21-107) | 133 (55-237) | 101 (41-213) | 98 (34-160) | 189 (84-395) | 348 (115-510) | 262 (66-443) |
| Adjusted Mean (95% CI) | 253 (228-277) | 227 (195-258) | 88 (50-125) | 173 (153-193) | 141 (120-162) | 133 (115-152) | 269 (242-297) | 379 (328-430) | 313 (278-350) |
| Total ED encounters per month | |||||||||
| Median (IQR) | 5,236 (4,127-6,494) | 5,032 (4,150-6,311) | 3,672 (2,965-4,762) | 4,548 (3,738-5,819) | 4,439 (3,603-5,602) | 4,534 (3,597-5,495) | 5,117 (4,215-6,127) | 5,275 (4,262-6,354) | 4,983 (3,957-6,022) |
| Adjusted Mean (95% CI) | 5,449 (5,345-5,554) | 5,254 (5,157-5,351) | 3,733 (3,521-3,946) | 4,744 (4,657-4,831) | 4,726 (4,625-4,828) | 4,675 (4,605-4,745) | 5,283 (5,218-5,348) | 5,493 (5,394-5,592) | 5,300 (5,186-5,415) |
| Total ED hospitalizations per month | |||||||||
| Median (IQR) | 1,506 (1,043-1,936) | 1,439 (1,061-1,799) | 1,237 (904-1,528) | 1,462 (1,041-1,683) | 1,424 (1,047-1,739) | 1,427 (1,035-1,834) | 1,543 (1,104-1,984) | 1,501 (1,059-1,871) | 1,437 (1,034-1,806) |
| Adjusted Mean (95% CI) | 1,508 (1,447-1,569) | 1,447 (1,400-1,494) | 1,262 (1,226-1,297) | 1,431 (1,406-1,456) | 1,429 (1,392-1,466) | 1,436 (1,404-1,469) | 1,518 (1,489-1,546) | 1,495 (1,442-1,548) | 1,438 (1,392-1,484) |
∗
Additional quarters (2019 Q2, Q3, Q4) were omitted from this table for ease of interpretation; no significant differences from the baseline period were observed for these quarters in the adjusted model.