TABLE 1.
Baseline Characteristics of the Study Subjects*
| Characteristics | Men (n = 52) |
Women (n = 79) |
|---|---|---|
| Age, y | ||
| 70–79 | 24 (46%) | 38 (49%) |
| 80–89 | 22 (42%) | 31 (39%) |
| > or = 90 | 6 (12%) | 10 (12%) |
| Ethnicity | ||
| White | 25 (48%) | 29 (37%) |
| Black | 6 (12%) | 10 (13%) |
| Asian | 18 (35%) | 27 (34%) |
| Other | 3 (6%) | 13 (16%) |
| Primary language English | 31 (60%) | 45 (57%) |
| Medicare | 34 (81%) | 60 (88%) |
| Symptom duration, days | ||
| Median (range)† | 1 (1, 120) | 2 (1, 365) |
| Time of arrival in ED | ||
| Day (07:00 – 18:59) | 32 (62%) | 47 (59%) |
| Night (19:00 – 06:59) | 20 (38%) | 32 (41%) |
| Comorbidities | ||
| Asthma/COPD | 6 (12%) | 11 (14%) |
| Coronary artery disease | 16 (31%) | 26 (33%) |
| Cerebrovascular disease | 8 (15%) | 17 (22%) |
| Cancer – not metastatic | 9 (17%) | 13 (16%) |
| Cancer – metastatic | 2 (4%) | 1 (1%) |
| Past gastrointestinal bleeding | 6 (12%) | 4 (5%) |
| Chronic kidney disease | 6 (12%) | 6 (8%) |
| Charlson index(46) | ||
| Median (range)† | 1(0,10) | 1(0,6) |
ED = emergency department; COPD = chronic obstructive pulmonary disease.
*
P > 0.05 for all comparisons, by Chi-squared analysis except as noted.
†
P > 0.05 by Wilcoxon test of medians.