Table 1.
Non-frequent versus all-frequent Emergency Department users
| All | Non-frequent user | All frequent user | |||||
|---|---|---|---|---|---|---|---|
| n = 1523 | n = 1226 | n = 297 | |||||
| Mean | Std Dev | Mean | Std Dev | Mean | Std Dev | p-value | |
| Age | 52.62 | 19.84 | 53.33 | 20.28 | 49.84 | 17.69 | 0.0035 |
| Median | IQR (Range) | Median | IQR (Range) | Median | IQR (Range) | ||
| # Inpatient Visits | 0 | 0-1 (0–16) |
0 | 0-0 (0–8) |
1 | 0-3 (0–16) |
<0.0001 |
| # Observation Visits | 0 | 0-0 (0–9) |
0 | 0-0 (0–3) |
0 | 0-1 (0–9) |
<0.0001 |
| # Emergency Visits | 1 | 0-3 (0–45) |
0 | 0-1 (0–3) |
6 | 5-9 (4–45) |
<0.0001 |
| n | % | n | % | n | % | ||
| Sex (n, %) | 0.0176 | ||||||
| Female | 874 | 57.69% | 684 | 56.25% | 189 | 63.85% | |
| Male | 641 | 42.31% | 532 | 43.75% | 107 | 36.15% | |
| Race (n, %) | 0.0335 | ||||||
| Black | 438 | 29.92% | 332 | 28.28% | 106 | 36.55% | |
| White | 966 | 65.98% | 791 | 67.38% | 175 | 60.34% | |
| Asian | 29 | 1.98% | 26 | 2.21% | 3 | 1.03% | |
| Other | 31 | 2.12% | 25 | 2.13% | 6 | 2.07% | |
| Insurance Status (n, %) | <0.0001 | ||||||
| Insured (any) | 1183 | 90.86% | 924 | 89.28% | 259 | 97.00% | |
| Not insured (self-pay or no insurance) | 119 | 9.14% | 111 | 10.72% | 8 | 3.00% | |
| Payer (n, %) | <0.0001 | ||||||
| Medicare | 355 | 27.22% | 296 | 28.60% | 59 | 22.10% | |
| Medicaid | 428 | 32.80% | 279 | 26.96% | 149 | 55.81% | |
| Dual-eligible | 98 | 7.53% | 69 | 6.67% | 29 | 10.86% | |
| None or Self-pay | 119 | 9.14% | 111 | 10.72% | 8 | 3.00% | |
| Private | 302 | 23.20% | 280 | 27.05% | 22 | 8.24% | |