Table 2.
Univariate Differences in Time (Minutes) to Administration of Initial Analgesic: Pre- and Post-Implementation of Analgesic Protocols
| Variable | N: (Pre- Implementa tion Period) |
Pre Median (IQR) |
N: (Post– Impleme ntation Period) |
Post Median (IQR) |
Median Difference (95% CI) |
|---|---|---|---|---|---|
| Site Differences | |||||
| Overall | 726 | 76 (49 to 139) | 2147 | 92 (56 to 159) | 10 (6 to 15) |
| Site 1 | 296 | 75 (48 to 138) | 613 | 86 (55 to 128) | 5 (−3 to 12) |
| Site 2 | 233 | 62 (44 to 88) | 571 | 67 (45 to 101) | 6 (1 to 12) |
| Site 3 | 197 | 143 (68 to 254) | 963 | 127 (73 to 244) | −5 (−20 to 10) |
| ED Visits/Patient Groups |
|||||
| Overall | 726 | 76 (49 to 139) | 2147 | 92 (56 to 159) | 10 (6 to 15) |
| 1-6 | 114 | 102 (55 to 201) | 396 | 112 (64 to 202) | 5 (−11 to 22) |
| 7-19 | 156 | 92 (51 to 166) | 448 | 106 (68 to 192) | 17 (4 to 30) |
| 20+ | 456 | 69 (48 to 121) | 1303 | 84 (53 to 133) | 9 (4 to 15) |
Among all sites, there was a slight increase in the time to administration of the initial analgesic from the pre- to post-implementation period. This was significant across patients regardless of the number of visits (p < 0.001, independent-samples median test, Hodges-Lehman statistic).