eTable 2. Demographics, comorbidities, and resource use for hospital patients with intensive care treatment.
|
2007 n = 538 309 |
2011 n = 667 448 |
2015 n = 736 444 |
|
| Age in years, median (IQR) | 69 (57–77) | 70 (57–78) | 71 (58–79) |
| Female sex, % | 42.0 | 42.1 | 41.7 |
| Charlson Comorbidity Index, median (IQR) | 2 (1–4)* | 2 (1–4) | 2 (1–4) |
| Comorbidities according to Charlson, % | |||
| None | 18.4* | 18.6 | 17.1 |
| 1 | 26.3* | 26.2 | 25.3 |
| 2–4 | 50.5* | 50.5 | 52.3 |
| >4 | 4.7* | 4.8 | 5.2 |
| Hospital length of stay, days, median (IQR) | 14 (8–24) | 13 (8–23) | 13 (7–22) |
| Surgical treatment, n (%) | 325 767 (60.5) | 382 391 (57.3) | 414 058 (56.2) |
| Renal replacement treatment, n (%) | 40 976 (7.6) | 54 252 (8.1) | 58 502 (7.9) |
| Mechanical ventilation, n (%) | 135 688 (25.0) | 181 705 (27.2) | 224 852 (30.5) |
| more than 4 days, n (%) | 83 833 (15.6) | 104 620 (15.7) | 119 655 (16.2) |
| Tracheostomy | 35 673 (6.6) | 42 331 (6.3) | 42 650 (5.8) |
| temporary, n (%) | 28 111 (5.2) | 32 898 (4.9) | 32 048 (4.4) |
| permanent, n (%) | 8 620 (1.6) | 10 539 (1.6) | 11 723 (1.6) |
| Palliative care, n (%) | 541 (0.1) | 2 133 (0.3) | 5 084 (0.7) |
* Descriptive statistics refer to earliest available data from the year 2010, n = 646 048. IQR, interquartile range