Table 1.
Characteristic | All visits (N=4873) | Visits with severe illness* (N=244) | Visits without severe illness* (N=4629) |
---|---|---|---|
Sex—no. (%) | |||
Male | 1909 (39.2) | 96 (39.3) | 1813 (39.1) |
Female | 2964 (60.8) | 148 (60.7) | 2816 (60.8) |
Age—mean, yr | 82.9 | 82.3 | 82.9 |
Race or ethnic group—no.(%)† | |||
Black or African American | 893 (18.3) | 40 (16.4) | 853 (18.4) |
White | 3452 (70.8) | 182 (74.6) | 3270 (70.6) |
Hispanic or Latino | 40 (0.8) | 4 (1.6) | 36 (0.8) |
Asian | 25 (0.5) | 1 (0.4) | 24 (0.5) |
American Indian/Alaska Native | 3 (<0.1) | 1 (0.4) | 2 (0.0) |
Unknown or not reported | 460 (9.4) | 16 (6.7) | 444 (9.6) |
Insurance status—no.(%) | |||
Medicare | 3857 (79.2) | 189 (77.5) | 3668 (79.2) |
Medicaid | 576 (11.8) | 26 (10.7) | 550 (11.9) |
Initial vital signs—mean (N) | |||
Systolic blood pressure—mmHg | 143 (4707) | 136 (202) | 144 (4505) |
Diastolic blood pressure—mmHg | 74 (4703) | 71 (202) | 74 (4501) |
Pulse—beats/min | 81 (4771) | 90 (209) | 81 (4562) |
Respiratory rate—breaths/min | 19 (4748) | 19 (206) | 19 (4542) |
Oxygen saturation—% | 97 (4215) | 96 (200) | 97 (4015) |
Temperature—°C | 36.5 (4455) | 36.4 (168) | 36.5 (4287) |
ESI level‡—mean | 2.7 | 1.8 | 2.8 |
Severe illness or injury defined by occurrence of intensive care unit admission or death in the emergency department.
Race or ethnic group as recorded in the patient’s chart.
ESI is the emergency severity index score which has five levels; 1=most acute and 5=least acute