Table 4 Unadjusted analysis regarding long-term mortality (until December 31, 2020) for critically ill patients aged ≥ 70 years and discharged alive at index (n = 303)
Variable | Prevalence n (%) | Unadjusted HR (95% CI) | p-value |
|---|---|---|---|
CCI > 2 | 95 (31.4) | 1.86 (1.43–2.42) | < 0.0001 |
Age; mean (SD) | 81.7 (6.3) | 1.07 (1.05–1.09) | < 0.0001 |
Female sex | 138 (45.5) | 1.06 (0.82–1.35) | 0.66 |
ICU/cICU | 59 (19.5) | 0.88 (0.64–1.20) | 0.42 |
LOS > 7 days | 177 (58.4) | 1.84 (1.42–2.37) | < 0.0001 |
Diagnosis at discharge | |||
Pneumonia | 64 (21.1) | 1.57 (1.17–2.09) | 0.002 |
Heart failure | 26 (8.6) | 1.44 (0.94–2.22) | 0.10 |
Atrial fibrillation | 21 (6.9) | 0.42 (0.24–0.76) | 0.004 |
COPD | 19 (6.3) | 1.45 (0.91–2.32) | 0.12 |
Urosepsis | 23 (7.6) | 0.80 (0.49–1.29) | 0.33 |
Symptoms on admissiona | |||
Dyspnea | 148 (48.8) | 1.48 (1.16–1.89) | 0.002 |
Unconsciousness | 33 (10.9) | 1.24 (0.84–1.81) | 0.28 |
Chest pain | 39 (12.9) | 0.72 (0.49–1.06) | 0.10 |
Seizure attack | 15 (5.0) | 1.03 (0.58–1.84) | 0.91 |
Vomiting | 19 (6.3) | 0.94 (0.58–1.54) | 0.81 |
Vital signs on admission | |||
Obstructive airway | 17 (5.6) | 1.05 (0.62–1.76) | 0.87 |
Hypoxiab (5)c | 153 (51.3) | 1.99 (1.55–2.56) | < 0.0001 |
Hypotensiond (2) | 40 (13.3) | 1.05 (0.73–1.51) | 0.78 |
Respiratory rate (br/min), ≤ 8/ ≥ 30 (35) | 152 (56.7) | 1.58 (1.20–2.07) | 0.001 |
Heart rate (bpm), ≥ 130/ ≥ 150e (1) | 69 (22.8) | 0.56 (0.41–0.77) | 0.0003 |
RLS > 3 | 38 (12.5) | 1.08 (0.74–1.56) | 0.69 |
Ongoing seizure attack | 13 (4.3) | 1.09 (0.60–2.00) | 0.77 |
Signs of infection | 111 (36.6) | 0.95 (0.74–1.23) | 0.71 |
Admission time point | |||
Workday 8 am—8 pm | 143 (47.2) | 0.73 (0.57–0.94) | 0.01 |