Table 1.
Baseline Characteristics and Selected Outcomes, Grouped by Treatment Era and Diabetes Status a
| PRE NON | PRE DM | PRE NON versus DM | GC NON | GC DM | GC NON versus DM | Pre versus GC NON | Pre versus GC DM | |
|---|---|---|---|---|---|---|---|---|
| Number | 1140 | 320 | 2002 | 622 | ||||
| Age | 71 (54–80) | 72 (64–79) | 0.0374 | 71 (54–81) | 72 (62–80) | 0.0007 | 0.5763 | 0.5112 |
| APACHE II (mod) | 15 (9–20) | 16 (10–21) | 0.0366 | 14 (9–20) | 15.5 (11–23) | <0.0001 | 0.4863 | 0.4364 |
| Distribution of patients | ||||||||
| Medical | 780 (68.4) | 264 (82.5) | <0.0001 | 1229 (61.4) | 436 (70.1) | 0.0001 | 0.0001 | 0.0001 |
| Surgical | 287 (25.2) | 53 (16.6) | 0.0017 | 585 (29.2) | 170 (27.3) | 0.3906 | 0.0167 | 0.0003 |
| Trauma | 73 (6.4) | 3 (0.9) | 0.0002 | 188 (9.4) | 16 (2.6) | <0.0001 | 0.0044 | 0.1482 |
| Vent | 607 (53.2) | 181 (56.6) | 0.3229 | 1007 (50.3) | 324 (52.1) | 0.4628 | 0.1208 | 0.2170 |
| ICU length of stay | 3.7 (2.2–7.0) | 3.5 (2.3–5.8) | 0.5639 | 3.3 (2.0–6.3) | 3.2 (1.8–6.7) | 0.5643 | 0.0047 | 0.1551 |
| Mortality | 285 (25.0) | 94 (29.4) | 0.1323 | 419 (20.9) | 165 (26.5) | 0.0040 | 0.0097 | 0.3953 |
Results expressed as number (%) or median (IQR). Statistical testing by Chi square test for comparisons of percentages and Wilcoxon rank-sum test for comparisons of continuous variables.