Table 2 Summary of numerical characteristics of patients and inpatient visits that were included in the study
Numerical variable | Total (median; interquartile range) | |
|---|---|---|
By patient (N = 285,767) | By inpatient visit (n = 207,426) | |
 Hospital expenditure | 2,341,299,199 (1275; 324–5945) | 1,542,404,950 (3632; 1857–7859) |
 Length of stay | 1,356,497 (0; 0–3) | 1,310,109 (4; 2–7) |
 Inpatient visits | 213,425 (0; 0–1) |  |
 CCI | (0; 0–0) | (1; 0–4) |
 Observed period (years) | (5; 2–7) |  |