Table 1

 Indicators of impact on patients in the ED

January n = 6650May n = 3901p Value
DOA, died on arrival; CPR, cardiopulmonary resuscitation; AAD, discharge against medical advice; ED, emergency department.
Classification0.000
    Class 1585 (8.8%)454 (11.6%)
    Class 22750 (41.4%)1741 (44.6%)
    Class 33310 (49.8%)1700 (43.6%)
    Class 45 (0.1%)6 (0.1%)
DOA18 (0.3%)12 (0.3%)NS (0.710)
CPR34 (0.5%)20 (0.5%)NS (1.000)
Endotracheal intubation70 (1.1%)69 (1.8%)0.003
Mechanical ventilation86 (1.3%)73 (1.9%)0.020
AAD206 (3.1%)91 (2.3%)0.024
Died in the ED6 (0.1%)8 (0.2%)NS (0.164)
Admission1542 (23.2%)1096 (28.1%)0.000