Table 1 Characteristics of Study Population
Continuous Variables | Range | Median (IQR) | Mean (95% CI) |
Age (years) | 18–90 | 54 (23) | 50.8 (48.8–52.7) |
Categorical Variables | Count (N = 992) | Percent (95% CI) | |
Gender (male) | 658 | 66.3 (60.3–71.8) | |
Median household incomea | |||
$1 - $37,999 | 126 | 13.2 (9.8–17.6) | |
$38,000 - $47,999 | 238 | 25.1 (19.9–31.0) | |
$48,000 - $63,999 | 238 | 25.0 (20.2–30.7) | |
$64,000 or more | 348 | 36.7 (31.1–42.6) | |
Season of admission | |||
Winter | 223 | 23.2 (18.3–29.0) | |
Spring | 244 | 25.4 (20.5–31.0) | |
Summer | 259 | 27.0 (21.8–33.0) | |
Autumn | 234 | 24.3 (19.5–29.9) | |
Admission day | |||
Monday - Friday | 700 | 70.6 (64.7–75.8) | |
Saturday - Sunday | 292 | 29.4 (24.2–35.3) | |
Patient locationb | |||
Large central metropolitan | 287 | 29.1 (24.4–34.3) | |
Large fringe metropolitan | 389 | 39.4 (34.5–44.5) | |
Medium metropolitan | 147 | 14.9 (11.5–19.0) | |
Small metropolitan | 66 | 6.6 (4.1–10.7) | |
Micropolitan | 51 | 5.1 (3.2–8.1) | |
Not metropolitan or micropolitan | 48 | 4.9 (3.0–7.9) | |
Primary expected payer | |||
Private insurance | 472 | 47.8 (41.6–54.1) | |
Medicare & Medicaid | 430 | 43.6 (37.3–50.1) | |
Self-pay | 60 | 6.1 (3.8–9.7) | |
Other | 25 | 2.5 (1.1–5.5) | |