Table 1.
Demographic and clinical characteristics
| Total sample | Dysphagia-positive | Dysphagia-negative | Significance | |
|---|---|---|---|---|
| Total number of patient episodes | 71 124 | 5203 | 65 921 | |
| Proportion of total sample (95% CI) | 7.3% | 92.7% | ||
| (7.1–7.3%) | (92.5–92.9%) | – | ||
| Age (years), median (IQR) | 60 (50–74) | 68 (55–77) | 64 (50-73) | < 0.001 |
| Sex (men) | 42 582 | 3306 | 39 276 | 0.047 |
| Proportion of group (95% CI) | 60% (64–65%) | 63.5% (62.2–64.8%) | 59.6% (64.9–65.6%) | |
| Mechanical ventilation (hours), median (IQR) | 16 (8–43) | 68 (25–150) | 15 (9–45) | < 0.001 |
| VAED-ANZICS APD linkage analysis | ||||
| Total number of patient episodes | 57 184 | 4242 | 52 942 | |
| APACHE III score, median (IQR)* | 57 (44–76) | 67 (51–88) | 56 (43–75) | < 0.001 |
ANZICS = Australian and New Zealand Intensive Care Society; APACHE = Acute Physiology and Chronic Health Evaluation; APD = Adult Patient Database; IQR = interquartile range; VAED = Victorian Admitted Episodes Database.
*
Based on first admission to the intensive care unit.