Variable | Â | Â | Â |
---|---|---|---|
Sex | Â | Â | 0.3725 |
   Female | 2,565 (42.6) | 1,157 (43.6) |  |
   Male | 3,454 (57.4) | 1,494 (56.4) |  |
Age | Â | Â | <0.0001 |
   Mean | 62.0 (16.1) | 63.9 (16.3) |  |
   Median | 64.0 | 67.0 |  |
   Range | 16 to 102 | 16 to 101 |  |
Admit source | Â | Â | 0.0567 |
   Surgery | 86 (3.2) | 53 (4.3) |  |
   ER | 2,245 (84.1) | 990 (80.5) |  |
   Medical | 334 (12.5) | 180 (14.7) |  |
   TxER | 3 (0.1) | 3 (0.2) |  |
   TxICU | 2 (0.1) | 2 (0.2) |  |
   TxWard | 0 (0) | 1 (0.1) |  |
Survival | Â | Â | Â |
   15 | 3,785 (62.9) | 1,598 (60.3) | 0.0213 |
   30 | 3,275 (54.4) | 1,399 (52.8) | 0.1585 |
   90 | 2,906 (48.3) | 1,283 (48.4) | 0.9204 |
   ICU | 3,583 (59.5) | 1,545 (58.3) | 0.2760 |
   Overall | 2,895 (48.1) | 1,276 (48.1) | 0.9760 |
ICU LOS | Â | Â | <0.0001 |
   Missing (%) | 0 | 0 |  |
   Mean | 11.0 (13.4) | 9.8 (13.7) |  |
   Median | 7.0 | 6.0 |  |
   Range | 1.0 to 215.0 | 1.0 to 314.0 |  |
Hospital LOS | Â | Â | <0.0001 |
   Missing (%) | 0 | 0 |  |
   Mean | 26.3 (34.1) | 23.1 (31.1) |  |
   Median | 15.0 | 12.2 |  |
   Range | 0.5 to 370.0 | 0.3 to 314.0 |  |
APACHE | Â | Â | 0.4450 |
   Missing (%) | 375 (6.2) | 179 (6.8) |  |
   Mean | 25.7 (8.1) | 25.7 (8.3) |  |
   Median | 25.0 | 25.0 |  |
   Range | 4 to 70 | 6 to 54 |  |
Days to extubation | Â | Â | 0.2414 |
   Mean | 6.5 (9.5) | 6.2 (9.2) |  |
   Median | 4.0 | 3.0 |  |
   Range | 0.0 to 117.0 | 0.0 to 100.0 |  |
Days on pressors | Â | Â | 0.1927 |
   Missing (%) | 1,878 | 892 |  |
   Mean | 3.6 (3.7) | 3.3 (3.2) |  |
   Median | 3.0 | 2.0 |  |
   Range | 0.0 to 54.0 | 0.0 to 34.0 |  |
Temperature | Â | Â | <0.0001 |
   Mean | 37.6 (1.7) | 37.4 (1.7) |  |
   Median | 38.0 | 36.2 |  |
   Range | 27.3 to 42.7 | 30.4 to 42.7 |  |
   <36°C | 869 (15.3) | 473 (18.9) | <0.0001 |
   >38°C | 2,707 (47.7) | 1,075 (42.9) | <0.0001 |
   >38.3°C | 2,264 (39.9) | 878 (35.0) | <0.0001 |
Infection source | Â | Â | <0.0001 |
   Community | 3,491 (58.0) | 1,677 (63.3) |  |
   Nosocomial | 2,528 (42.0) | 974 (36.7) |  |
Lactate - baseline | Â | Â | 0.2377 |
   Missing (%) | 5,328 (88.5) | 2,328 (87.8) |  |
   Mean | 4.3 (3.8) | 4.4 (4.5) |  |
   Median | 3.1 | 2.8 |  |
   Range | 0.3 to 26.4 | 0.3 to 26.7 |  |
Lactate - 6 hours | Â | Â | 0.2214 |
   Missing (%) | 5,132 (85.3) | 2,204 (83.1) |  |
   Mean | 4.1 (3.7) | 4.0 (3.8) |  |
   Median | 2.8 | 2.6 |  |
   Range | 0.1 to 25.8 | 0.4 to 23.1 |  |
Lactate - 24 hours | Â | Â | 0.4919 |
   Missing (%) | 5,164 (85.8) | 2,236 (84.3) |  |
   Mean | 3.7 (4.1) | 4.1 (5.0) |  |
   Median | 2.4 | 2.3 |  |
   Range | 0.3 to 54.4 | 0.2 to 37.6 |  |