Table 1 Baseline characteristics and clinical outcomes of study patients
From: Cost analysis of the very elderly admitted to intensive care units
Characteristic/outcome | Hospital cohort (n = 1671) | Longitudinal cohort (n = 610) |
|---|---|---|
Age (years) | 85 ± 3 | 84 ± 3 |
Sex (male) | 915 (55%) | 338 (55%) |
Admission APACHE II score | 22 ± 8 | 22 ± 7 |
Baseline SOFA score | 5 ± 3 | 5 ± 3 |
Charlson comorbidity index | 2 ± 2 | 2 ± 2 |
Admission type | ||
Medical | 1,033 (62%) | 377 (62%) |
Surgical elective | 220 (13%) | 83 (14%) |
Surgical emergency | 418 (25%) | 150 (25%) |
Primary ICU admitting diagnosis | ||
Cardiovascular | 408 (24%) | 143 (23%) |
Respiratory | 389 (23%) | 157 (26%) |
Gastrointestinal | 298 (18%) | 110 (18%) |
Sepsis | 178 (11%) | 72 (12%) |
Other | 398 (24%) | 128 (21%) |
Frailty index >4/7 | N/A | 193 (32%) |
Residence in a nursing home | N/A | 24 (4%) |
Family preference for life-sustaining treatment | ||
Life support | N/A | 310 (51%) |
Comfort care without life support | N/A | 129 (21%) |
Unsure/unclear/missing | N/A | 171 (28%) |
Presence of advance directive | N/A | 300 (49%) |
Median ICU length of stay | 4 (2–8) | 6 (3–10) |
Median hospital length of stay | 17 (8–33) | 21 (12–40) |
Mean ICU length of stay | 9 ± 19 | 8 ± 9 |
Mean hospital length of stay | 9 ± 21 | 11 ± 14 |
Hospital mortality | 585 (35%) | 158 (26%) |
12-month mortality | N/A | 253 (41%) |