Variables | Total (n=22 677) | MV<48 hours (n=5480) | 48hrs≤MV<7days (n=8903) | MV≥7 days (n=8294) | P value* |
n (%) | n (%) | n (%) | n (%) | ||
Age (years), mean, SD | 77.2 (6.9) | 77.4 (7.0) | 77.2 (6.8) | 77.2 (6.8) | 0.09 |
65–69 | 3345 (14.8) | 822 (15.0) | 1306 (14.7) | 1217 (14.7) | 0.08 |
70–74 | 5206 (23.0) | 1217 (22.2) | 2111 (23.7) | 1878 (22.6) | |
75–79 | 5813 (25.6) | 1367 (24.9) | 2258 (25.4) | 2188 (26.4) | |
80–84 | 4737 (20.9) | 1128 (20.6) | 1836 (20.6) | 1773 (21.4) | |
85–89 | 2598 (11.5) | 685 (12.5) | 1002 (11.3) | 911 (11.0) | |
90- | 978 (4.3) | 261 (4.8) | 390 (4.4) | 327 (3.9) | |
Year | |||||
2012 | 4642 (20.5) | 1131 (20.6) | 1782 (20.0) | 1729 (20.8) | 0.31 |
2013 | 4478 (19.7) | 1087 (19.8) | 1699 (19.1) | 1692 (20.4) | |
2014 | 4513 (19.9) | 1071 (19.5) | 1834 (20.6) | 1608 (19.4) | |
2015 | 4588 (20.2) | 1105 (20.2) | 1833 (20.6) | 1650 (19.9) | |
2016 | 4456 (19.6) | 1086 (19.8) | 1755 (19.7) | 1615 (19.5) | |
Sex (Male) | 12 932 (57.0) | 2938 (53.6) | 5018 (56.4) | 4976 (60.0) | <0.01 |
Admission route (emergency) | 14 777 (65.2) | 3631 (66.3) | 5910 (66.4) | 5236 (63.1) | <0.01 |
Charlson’s comorbidity score | 2 (1–4) | 2 (1–4) | 2 (1–4 | 2 (1–4) | <0.01 |
Primary diseases | |||||
Cardiac disease | 2902 (12.8) | 935 (17.1) | 1215 (13.7) | 752 (12.8) | <0.01 |
Cerebrovascular disease | 2670 (11.8) | 674 (12.3) | 1066 (12.0) | 930 (11.2) | 0.04 |
Chronic pulmonary disease | 1241 (5.5) | 170 (3.1) | 547 (6.1) | 524 (6.3) | <0.01 |
Gastrointestinal | 277 (1.2) | 92 (1.7) | 106 (1.2) | 79 (1.0) | <0.01 |
Liver disease | 225 (1.0) | 83 (1.5) | 88 (1.0) | 54 (0.7) | <0.01 |
Malignancy | 2224 (9.8) | 477 (8.7) | 796 (8.9) | 951 (11.5) | <0.01 |
Pneumonia | 4366 (19.3) | 613 (11.2) | 1562 (17.5) | 2191 (26.4) | <0.01 |
Poisoning | 566 (2.5) | 140 (2.6) | 269 (3.0) | 157 (1.9) | <0.01 |
Renal disease | 922 (4.1) | 232 (4.2) | 372 (4.2) | 318 (3.8) | 0.21 |
Sepsis | 1901 (8.4) | 465 (8.5) | 672 (7.5) | 764 (9.2) | 0.05 |
Trauma | 1082 (4.8) | 303 (5.5) | 399 (4.5) | 380 (4.6) | 0.02 |
CRRT use | 3579 (15.8) | 750 (13.7) | 1449 (16.3) | 1380 (16.6) | <0.01 |
MV duration (days) | 4.1 (2–10) | 1.0 (0.3–1.1) | 3.3 (2.3–5.0) | 13.1 (9.1–21) | <0.01 |
ICU length of stay (days) | 7 (3–15) | 2 (1–4) | 5 (3–8) | 17 (11–28) | <0.01 |
Hospital stay (days) | 19 (8–49) | 6 (2–18.5) | 15 (6–36) | 36 (20–82) | <0.01 |
In-hospital mortality | 12 936 (57.0) | 3747 (68.4) | 4474 (50.3) | 4715 (56.8) | <0.01 |
Data presented as n (%) or median (IQR). Only age presented as mean (SD).
*P-value by Χ2 or Fisher’s exact test for categorical variables, by analysis of variance for age and by Kruskal-Wallis test for other continuous variables.
CRRT, continuous renal replacement therapy; ICU, intensive care unit; MV, mechanical ventilation.