Table 1. Patient Demographic Characteristics and Order Summary Statisticsa.
| Characteristic | Mean (SD) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Laboratory | Medications | Radiology | |||||||
| Before Intervention (n =55 018) | After Intervention (n = 55 227) | P Value | Before Intervention (n = 54 475) | After Intervention (n = 55 750) | P Value | Before Intervention (n = 55 302) | After Intervention (n = 56 128) | P Value | |
| Patient age, y | 51.16 (20.74) | 51.75 (20.75) | <.001 | 51.21 (20.75) | 51.85 (20.74) | <.001 | 51.40 (20.75) | 51.92 (20.75) | <.001 |
| Female patients, No. (%) | 29 936 (54.4) | 30 067 (54.4) | .92 | 29 530 (54.2) | 30 496 (54.7) | .10 | 30 284 (54.8) | 30 503 (54.3) | .16 |
| Patients with ESI ≥3, No. (%) | 33 996 (61.8) | 33 597 (60.8) | .001 | 33 559 (61.6) | 33 483 (60.1) | <.001 | 33 350 (60.3) | 32 685 (58.2) | <.001 |
| Patients with English as primary language, No. (%) | 53 069 (96.5) | 53 205 (96.3) | .29 | 52 499 (96.4) | 53 612 (96.2) | .07 | 53 196 (96.2) | 54 052 (96.3) | .34 |
| Discharged, No. (%) | 32 317 (58.7) | 32 391 (58.7) | .77 | 32 007 (58.8) | 32 186 (57.7) | .001a | 32 023 (57.9) | 32 227 (57.4) | .10 |
| Admitted, No. (%) | 20 259 (36.8) | 20 312 (36.8) | .44 | 20 149 (37.0) | 20 848 (37.4) | .16 | 20 613 (37.3) | 20 913 (37.3) | .96 |
| Patients in department, No. | 41.21 (10.90) | 44.79 (11.11) | <.001 | 40.93 (10.85) | 45.89 (10.93) | <.001 | 42.14 (10.99) | 47.35 (10.72) | <.001 |
| Patients in waiting room, No. | 4.47 (4.90) | 5.71 (5.81) | <.001 | 4.46 (4.95) | 6.02 (5.94) | <.001 | 4.74 (5.14) | 6.71 (6.27) | <.001 |
| Patients in observation, No. | 8.69 (4.16) | 8.95 (4.35) | <.001 | 8.44 (4.12) | 9.21 (4.40) | <.001 | 8.53 (4.17) | 9.65 (4.46) | <.001 |
| New patients, No. | 7.96 (3.70) | 7.93 (3.66) | .14 | 7.84 (3.69) | 7.99 (3.67) | <.001 | 7.91 (3.68) | 8.00 (3.67) | <.001 |
| ICU bed requests, No. | 0.85 (1.00) | 1.10 (1.15) | <.001 | 0.87 (1.00) | 1.15 (1.18) | <.001 | 0.91 (1.03) | 1.30 (1.24) | <.001 |
| Telemetry bed requests, No. | 2.51 (2.09) | 3.44 (2.59) | <.001 | 2.52 (2.08) | 3.66 (2.66) | <.001 | 2.77 (2.26) | 4.06 (2.74) | <.001 |
| Floor bed requests, No. | 3.67 (2.59) | 4.30 (2.88) | <.001 | 3.56 (2.55) | 4.53 (2.93) | <.001 | 3.76 (2.64) | 4.92 (3.03) | <.001 |
| Boarders, No. | 2.72 (2.48) | 2.33 (2.69) | <.001 | 2.18 (2.36) | 2.65 (2.81) | <.001 | 2.06 (2.33) | 3.33 (3.05) | <.001 |
Abbreviations: ESI, emergency severity index; ICU, intensive care unit.
a
Patient demographics and order summary are reported at the patient level.