Table 3. Presence of comorbidity and the mean LOS in the ICU and MV, and the mean number of complications (Victoria, ages 15 years and over).
| Comorbidity | Index admissions (N = 140094), n (%) | ICU stay hours for those1 using the ICU, mean (CI) | MV use hours for those2 on the MV, mean (CI) | Complications for those with at least one3, mean (CI) |
|---|---|---|---|---|
| Human immunodeficiency virus infection and acquired immune deficiency syndrome (HIV/AIDS) | 54 (0.0) | 156.6 (-24.1 to 337.3) | 135.6 (-123.1 to 394.3) | 3.3 (1.5 to 5.0) |
| Alcohol dependence | 6425 (4.6) | 76.8 (68.1 to 85.4) | 52.4 (41.8 to 63.0) | 3.0 (2.9 to 3.2) |
| Drug dependence | 1496 (1.1) | 69.8 (61.4 to 78.3) | 41.8 (33.1 to 50.6) | 2.9 (2.6 to 3.2) |
| Any malignancy | 706 (0.5) | 60.0 (45.6 to 74.4) | 43.1 (22.0 to 64.1) | 3.6 (3.2 to 3.9) |
| Blood loss anaemia | 170 (0.1) | 82.1 (59.6 to 104.7) | 61.8 (17.9 to 105.7) | 3.6 (3.0 to 4.1) |
| Cardiac arrhythmias | 3775 (2.7) | 85.6 (74.9 to 96.3) | 82.2 (57.6 to 106.8) | 3.9 (3.7 to 4.1) |
| Cerebrovascular disease | 602 (0.4) | 123.7 (81.3 to 166.0) | 120.1 (59.8 to 180.4) | 3.6 (3.2 to 4.0) |
| Chronic pulmonary disease | 1302 (0.9) | 106.7 (87.7 to 125.8) | 94.3 (62.0 to 126.5) | 4.4 (4.1 to 4.7) |
| Coagulopathy | 1133 (0.8) | 120.3 (98.5 to 142.1) | 129.3 (96.6 to 162.0) | 3.9 (3.6 to 4.2) |
| Congestive heart failure | 1257 (0.9) | 91.4 (78.5 to 104.3) | 65.5 (45.9 to 85.0) | 4.4 (4.2 to 4.7) |
| Deficiency anaemias | 578 (0.4) | 71.5 (47.9 to 95.1) | 64.5 (9.0 to 120.1) | 3.1 (2.8 to 3.4) |
| Dementia | 2889 (2.1) | 61.4 (49.3 to 73.6) | 76.9 (37.1 to 116.8) | 3.1 (3.0 to 3.3) |
| Depression | 2966 (2.1) | 70.6 (59.9 to 81.3) | 46.0 (36.1 to 56.0) | 2.9 (2.7 to 3.1) |
| Diabetes with chronic complications | 4243 (3.0) | 99.8 (85.6 to 113.9) | 98.7 (73.4 to 124.0) | 3.8 (3.7 to 4.0) |
| Diabetes without complications | 8969 (6.4) | 94.0 (79.3 to 108.7) | 81.7 (62.9 to 100.4) | 3.3 (3.2 to 3.4) |
| Hemiplegia/paraplegia | 538 (0.4) | 105.6 (81.7 to 129.5) | 90.2 (64.7 to 115.8) | 3.6 (3.2 to 4.0) |
| Hypertension complicated | 54 (0.0) | 36.7 (14.0 to 59.4) | * | 4.5 (3.3 to 5.6) |
| Hypertension uncomplicated | 4510 (3.2) | 101.1 (90.8 to 111.4) | 81.2 (67.5 to 94.9) | 4.1 (4.0 to 4.3) |
| Hypothyroidism | 152 (0.1) | 81.2 (47.7 to 114.7) | * | 3.9 (3.2 to 4.6) |
| Metastatic solid tumor | 380 (0.3) | 61.5 (38.9 to 84.1) | 29.4 (-0.6 to 59.4) | 3.3 (2.9 to 3.7) |
| Mild liver disease | 1167 (0.8) | 87.6 (72.5 to 102.6) | 69.2 (51.4 to 87.0) | 3.6 (3.2 to 3.9) |
| Moderate or severe liver disease | 116 (0.1) | 113.4 (74.6 to 152.3) | 107.8 (48.2 to 167.4) | 4.7 (3.8 to 5.7) |
| Myocardial infarction | 248 (0.2) | 104.7 (60.5 to 148.9) | 100.6 (32.4 to 168.8) | 4.1 (3.5 to 4.6) |
| Obesity | 229 (0.2) | 142.4 (92.1 to 192.7) | 174.8 (66.9 to 282.6) | 4.5 (3.7 to 5.3) |
| Peptic ulcer disease | 84 (0.1) | 117.5 (60.0 to 175.1) | 82.6 (33.6 to 131.6) | 4.3 (3.3 to 5.4) |
| Peripheral vascular disease | 702 (0.5) | 124.5 (90.2 to 158.8) | 122.8 (83.1 to 162.5) | 3.7 (3.3 to 4.2) |
| Psychoses | 568 (0.4) | 82.8 (67.4 to 98.2) | 55.2 (34.6 to 75.8) | 3.3 (2.8 to 3.7) |
| Pulmonary circulation disorders | 133 (0.1) | 119.4 (82.6 to 156.1) | 88.0 (30.7 to 145.3) | 4.5 (3.7 to 5.3) |
| Renal disease including renal failure | 3402 (2.4) | 81.2 (72.0 to 90.5) | 61.8 (45.7 to 77.9) | 4.1 (4.0 to 4.3) |
| Rheumatic disease including some other connective tissue disorders | 177 (0.1) | 103.8 (71.5 to 136.0) | 76.8 (14.3 to 139.4) | 3.8 (3.1 to 4.5) |
| Valvular disease | 326 (0.2) | 85.8 (58.1 to 113.6) | 98.0 (49.2 to 146.8) | 4.8 (4.3 to 5.3) |
*Cell count 1–4 suppressed to protect confidentiality
1. n = 5116
2. n = 2413
3. n = 23693