Table 1 Clinical characteristics
From: Temporal trends in the utilization of vasopressors in intensive care units: an epidemiologic study
Characteristics | Total | Year | ||||||
|---|---|---|---|---|---|---|---|---|
2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | ||
N | 72,005 | 10070 | 10373 | 10006 | 10265 | 10682 | 10473 | 10136 |
Age, year (mean ± SD) | 63 ± 17 | 63 ± 17 | 63 ± 17 | 63 ± 17 | 63 ± 17 | 63 ± 17 | 63 ± 17 | 63 ± 17 |
Male sex, n (%) | 41,633 (58) | 5741 (57) | 5953 (57) | 5889 (59) | 5928 (58) | 6205 (58) | 6004 (57) | 5913 (58) |
White, n (%) | 66,007 (92) | 9117 (91) | 9356 (90) | 8959 (90) | 9452 (92) | 9969 (93) | 9739 (93) | 9415 (93) |
BMI, kg/m2 (mean ± SD) | 29.8 ± 8.0 | 29.6 ± 7.8 | 29.6 ± 8.0 | 29.8 ± 8.1 | 29.8 ± 8.0 | 29.8 ± 7.9 | 29.9 ± 7.9 | 30.0 ± 8.1 |
ICU type (%) | Â | Â | Â | Â | Â | Â | Â | Â |
  - Cardiac surgery ICU | 15,631 (22) | 2055 (20) | 2104 (20) | 2220 (22) | 2415 (24) | 2257 (21) | 2246 (21) | 2334 (23) |
  - Cardiac care unit | 8,807 (12) | 1372 (14) | 1327 (13) | 1247 (12) | 1206 (12) | 1310 (12) | 1162 (11) | 1183 (12) |
  - Medical ICU | 16,863 (23) | 2202 (22) | 2315 (22) | 2323 (23) | 2431 (24) | 2527 (24) | 2540 (24) | 2525 (25) |
  - Surgical ICU | 19,997 (28) | 2825 (28) | 3046 (29) | 2773 (28) | 2893 (28) | 2908 (27) | 2921 (28) | 2631 (26) |
  - Mixed ICU | 10,707 (15) | 1616 (16) | 1581 (15) | 1443 (14) | 1320 (13) | 1680 (16) | 1604 (15) | 1463 (14) |
Admission SOFA score (median, IQR) | 4 (2–7) | 4 (2–7) | 4 (2–7) | 4 (2–7) | 4 (2–7) | 4 (2–7) | 4 (2–7) | 4 (2–7) |
Admission APACHE III score (mean ± SD) | 67 ± 26 | 66 ± 27 | 67 ± 26 | 67 ± 26 | 67 ± 25 | 68 ± 26 | 67 ± 26 | 65 ± 25 |
Mechanical ventilator use in ICU, n (%) | 28,844 (40) | 4061 (40) | 4214 (41) | 4183 (42) | 4237 (41) | 4138 (39) | 3904 (37) | 4107 (41) |
ICU length of stay, day (median, IQR) | 2 (2–4) |  |  |  |  |  |  |  |
ICU mortality, n (%) | 2,755 (4) | 426 (4) | 447 (4) | 377 (4) | 353 (3) | 419 (4) | 360 (3) | 373 (4) |
In-hospital mortality, n (%) | 4,896 (7) | 730 (7) | 816 (8) | 646 (6) | 615 (6) | 752 (7) | 664 (6) | 673 (7) |