Before matching | After matching | |||||
---|---|---|---|---|---|---|
Non-ICU (n = 974,289) | ICU (n = 193,612) | Difference (95% CI) | Non-ICU (n = 165,344) | ICU (n = 165,344) | Difference (95% CI) | |
In-hospital mortality, n (%) | 218,928 (22.5) | 50,686 (26.2) | 3.7 (3.5 to 3.9) | 48,328 (29.2) | 42,4701 (25.8) | \(-\) 3.4 (\(-\) 3.7 to \(-\) 3.1) |
Length of hospitalization (day) | 14.1 (13.6 to 14.6) | 2.9 (2.2 to 3.6) | ||||
Mean (SD) | 42.2 (100.8) | 56.3 (66.7) | 52.8 (129.3) | 55.7 (67.0) | ||
Median (IQR) | 26 (14–50) | 40 (21–70) | 34 (17–64) | 39 (21–69) | ||
Length of ICU stay (day) | NA | NA | ||||
Mean (SD) | NA | 7.0 (6.0) | NA | 6.4 (5.6) | ||
Median (IQR) | NA | 5 (2–12) | NA | 5 (2–10) | ||
Ventilator-free days | \(-\) 4.2 (\(-\) 4.3 to \(-\) 4.2) | \(-\) 1.2 (\(-\) 1.3 to \(-\) 1.2) | ||||
Mean (SD) | 25.3 (7.9) | 21.0 (10.1) | 23.0 (9.6) | 21.7 (9.9) | ||
Median (IQR) | 28 (28–28) | 27 (18–28) | 28 (24–28) | 28 (20–28) | ||
Total medical cost per hospitalization ($) | 21,600 (21,500 to 21,700) | 11,520 (11,300 to 11,700) | ||||
Mean (SD) | 16,891 (24,014) | 38,489 (39,117) | 24,910 (29,982) | 36,426 (36,0736) | ||
Median (IQR) | 10,513 (5741–19,913) | 27,831 (15,808–48,673) | 16,356 (8,685–30,122) | 26,144 (14,867–16,040) |