Table 1.
Patient characteristics.
| Primary care visit within 14 d | Primary care visit within 7 d | ||||
|---|---|---|---|---|---|
| All patients | No | Yes | No | Yes | |
| N = 9236 | N = 5952 (64.4%) | N = 3284 (35.6%) | N = 7012 (75.9%) | N = 2224 (24.1%) | |
| Patient age (yrs) | |||||
| Mean (SD) | 57.9 (20.1) | 53.9 (19.7) | 65.2 (18.7) | 55.6 (19.9) | 65.3 (18.7) |
| Median (IQR) | 60.0 (39.0–74.0) | 54.0 (36.0–70.0) | 68.0 (52.0–79.0) | 57.0 (37.0–71.0) | 68.0 (52.0–79.0) |
| Sex | |||||
| Female | 5513 (59.7%) | 3739 (62.8%) | 1774 (54.0%) | 4346 (62.0%) | 1167 (52.5%) |
| Hispanic | |||||
| Yes | 1595 (17.3%) | 998 (16.8%) | 597 (18.2%) | 1180 (16.8%) | 415 (18.7%) |
| Missing | 405 | 257 | 148 | 294 | 111 |
| Race | |||||
| White | 5467 (59.2%) | 3487 (58.6%) | 1980 (60.3%) | 4138 (59.0%) | 1329 (59.8%) |
| Asian | 974 (10.6%) | 675 (11.3%) | 299 (9.1%) | 763 (10.9%) | 211 (9.5%) |
| Black | 899 (9.7%) | 544 (9.1%) | 355 (10.8%) | 654 (9.3%) | 245 (11.0%) |
| Other/Unknown | 1896 (20.5%) | 1246 (20.9%) | 650 (19.8%) | 1457 (20.8%) | 439 (19.7%) |
| ADI | |||||
| Mean (SD) | 3.2 (2.5) | 3.3 (2.5) | 3.1 (2.5) | 3.3 (2.5) | 3.1 (2.5) |
| Median (IQR) | 2 (1–5) | 2 (1–4) | 2 (1–5) | 2 (1–4) | 2 (1–5) |
| LACE + Score | |||||
| Mean (SD) | 49.2 (24.8) | 43.3 (26.4) | 59.9 (17.0) | 45.6 (25.9) | 60.5 (16.3) |
| Median (IQR) | 55 (29–71) | 49 (14–68.5) | 65 (52–72) | 51 (18–70) | 65 (53–72) |
| PCP visits prior to admission (last 36 mo) | |||||
| Mean (SD) | 9.6 (10.0) | 7.6 (8.1) | 13.4 (11.8) | 8.4 (8.9) | 13.7 (11.9) |
| Median (IQR) | 7 (3–13) | 10 (5–18) | 2 (1–5) | 6 (3–11) | 10 (6–18) |
| Admissions (last 12 mo) | |||||
| Mean (SD) | 0.7 (1.2) | 0.7 (1.2) | 0.8 (1.2) | 0.7 (1.2) | 0.8 (1.2) |
| Median (IQR) | 0 (0–1) | 0 (0–1) | 0 (0–1) | 0 (0–1) | 0 (0–1) |
*ADI—Area Deprivation Index, a measure based on data from the Health Resources and Services Administration that ranks neighborhoods by socioeconomic status disadvantage. ADI includes data on income, education, employment, and housing quality. ADI was stratified into deciles, IQR = Interquartile Range.
**LACE + index (Length of stay, Acute/emergent admission, Charlson comorbidity index score, a measure of risk of death or nonelective 30-day readmission after hospital discharge).