Table 1.
Selected demographics, laboratory values, medications, and utilization metrics for patients in the training and test sets
| Training (N = 178) | Test (N = 148) | |
|---|---|---|
| Age, median (IQR) | 68.7 (62.8–76.6) | 71.9 (63.5–77.1) |
| Female, n (%) | 96 (54%) | 86 (58%) |
| Race | ||
| White, n (%) | 120 (67%) | 96 (65%) |
| Black, n (%) | 47 (26%) | 41 (28%) |
| Other/multi-racial, n (%) | 6 (3%) | 7 (5%) |
| Missing, n (%) | 5 (3%) | 4 (3%) |
| BMI, median (IQR) | 27.1 (23.5–31.4) | 28.18 (24.1–33.3) |
| Max supplemental O2 (LPM), median (IQR) | 4.0 (3.0–11.0) | 4.0 (2.0–6.0) |
| Albumin, median (IQR) | 3.9 (3.46–4.17) | 4.1 (3.82–4.2) |
| CO2, median (IQR) | 27.0 (24.0–28.6) | 26.2 (24.9–28.8) |
| Creatinine, median (IQR) | 1.01 (0.84–1.31) | 0.97 (0.80–1.19) |
| Hemoglobin, median (IQR) | 12.2 (10.3–13.8) | 13.2 (11.8–14.4) |
| Number of encounters, median (IQR) | 7.0 (4.0–16.0) | 7.0 (3.8–15.0) |
| Number of ED visits, median (IQR, range) | 0.0 (0.0–0.0, 0.0–8.0) | 0.0 (0.0–0.0, 0.0–14.0) |
| Number of admissions, median (IQR, range) | 0.0 (0.0–0.0, 0.0–22.0) | 0.0 (0.0–0.0, 0.0–3.0) |
| Days hospitalized, median (IQR, range) | 0.0 (0.0–0.7, 0.0–111.5) | 0.0 (0.0–0.01, 0.0–20.2) |
| Unique medications, median (IQR) | 10.0 (4.0–34.0) | 9.0 (5.0–24.0) |
| Number of comorbidities, median (IQR) | 8.0 (4.0–12.0) | 10.0 (5.8–16.3) |
| Elixhauser score, median (IQR) | 2.0 (1.0–4.0) | 2.0 (1.0–4.0) |
Note: See Supplementary Table S2 for the remaining structured data elements not included in this table.
IQR: interquartile range.