Table 1.
Cohort Characteristics
| Cohort 2 28 hospitals (N = 938,103) |
Cohort 1 7 hospitals (N = 206,155) |
|
|---|---|---|
| Age, median [Q1–Q3] | 72.0 [57.0–83.0] | 72.0 [57.0–83.0] |
| Female, n (%) | 469,431 (50.0%) | 101,606 (49.3%) |
| LAPS, median [Q1–Q3] | – | 17 [6–30] |
| LAPS without troponin, median [Q1–Q3] | 15 [5–27] | 16 [5–29] |
| Charlson comorbidity index score at admission, mean (SD) | 1.20 (1.75) | 1.13 (1.67) |
| Elective admission, n (%) | 19,111 (2.0%) | 1054 (0.5%) |
| In-hospital mortality, n (%) | 67,849 (7.2%) | 14,265 (6.9%) |
| Top 10 CCSR diagnosis groups*, n (%) | ||
| Heart failure | 47,049 (5.0%) | 10,428 (5.1%) |
| Pneumonia (except that caused by tuberculosis) | 38,296 (4.1%) | 10,077 (4.9%) |
| Chronic obstructive pulmonary disease and bronchiectasis | 35,918 (3.8%) | 8482 (4.1%) |
| Urinary tract infections | 34,762 (3.7%) | 9296 (4.5%) |
| Neurocognitive disorders | 29,258 (3.1%) | 6837 (3.3%) |
| Septicemia | 27,245 (2.9%) | 4748 (2.3%) |
| Cerebral infarction | 25,443 (2.7%) | 7117 (3.5%) |
| Diabetes mellitus with complication | 22,243 (2.4%) | 4215 (2.0%) |
| Acute and unspecified renal failure | 20,853 (2.2%) | 3895 (1.9%) |
| Gastrointestinal hemorrhage | 20,037 (2.1%) | 4737 (2.3%) |
Cohort 2 includes 12 academic and 16 community hospitals from April 2015 to June 2022
Cohort 1 includes 5 academic and 2 community hospitals from April 2010 to December 2020
*Top 10 CCSR diagnosis groups are ranked based on Cohort 2
Abbreviations: LAPS, laboratory-based acute physiology score; CCSR, Clinical Classification Software Refined