Table 1.
Baseline demographics
| 2010 n = 7323 |
2016 n = 6958 |
|
|---|---|---|
| Age | 63 (49–74) | 64 (50–75) |
| Male | 4571 (62%) | 4347 (62%) |
| BMI | 25.5 (22.9–28.9) | 25.1 (22.6–28.3) |
| SAPSII | 45 (33–58) | 44 (32–58) |
| Region | ||
| USA/Canada | 825 (11.3%) | 322 (4.6%) |
| Europe | 2931 (40.0%) | 2677 (38.5%) |
| Africa | 133 (1.8%) | 169 (2.4%) |
| Asia | 1226 (16.7%) | 1816 (26.1%) |
| Latin America | 1576 (21.5%) | 1809 (26.0%) |
| Australia/New Zealand | 632 (8.6%) | 165 (2.4%) |
| Reason for ventilation | ||
| COPD exacerbation | 336 (4.6%) | 323 (4.6%) |
| Asthma | 80 (1.1%) | 44 (0.6%) |
| Other chronic pulmonary disease | 87 (1.2%) | 116 (1.7%) |
| Comaa | ||
| Metabolic | 265 (3.8%) | 287 (4.4%) |
| Overdose/intoxication | 211 (3.0%) | 197 (3.0%) |
| Hemorrhagic stroke | 470 (6.7%) | 434 (6.6%) |
| Ischemic stroke | 214 (3.1%) | 199 (3.0%) |
| Brain trauma | 302 (4.3%) | 378 (5.7%) |
| Neuromuscular disease | 74 (1.0%) | 93 (1.4%) |
| Acute respiratory failure | ||
| ARDS | 256 (3.5%) | 284 (4.1%) |
| Postoperative | 1702 (23.2%) | 1538 (22.1%) |
| CHF | 399 (5.4%) | 346 (5.0%) |
| Aspiration | 188 (2.6%) | 167 (2.4%) |
| Pneumonia | 697 (9.5%) | 737 (10.6%) |
| Sepsis | 715 (9.8%) | 700 (10.6%) |
| Trauma | 347 (4.7%) | 296 (4.3%) |
| Cardiac arrest | 473 (6.8%) | 443 (6.7%) |
| Other ARF | 400 (5.5%) | 261 (3.8%) |
Continuous variables reported as median (IQR). Categorical variables reported as n (%)
aComa subtype was missing in 341 and 384 patients in 2010 and 2016, respectively
Definitions of abbreviations: ARDS acute respiratory distress syndrome, ARF acute respiratory failure, CHF congestive heart failure, BMI body mass index, SAPS simplified acute physiology score