Variable | All participants n = 320 | Survivors n = 257 | Non-survivors n = 63 |
---|---|---|---|
Age (years), median [IQR] | 63.2 [52.30–73.4] | 62.6 [50.3–71.3] | 69.0 [60.0–81.0] |
Age > 65 years | 147 (45.6) | 110 (42.8) | 37 (58.7) |
Sex (male), n (%) | 188 (58.8) | 148 (57.6) | 40 (63.5) |
Obesitya, n (%) | 29 (9.1) | 23 (8.9) | 6 (9.5) |
Comorbid conditions, n (%) | 130 (40.6) | 99 (38.6) | 31 (49.2) |
Neoplastic disease | 42 (13.1) | 30 (11.7) | 12 (19.0) |
Congestive heart failure | 54 (16.9) | 43 (16.7) | 11 (17.5) |
Cerebrovascular disease | 16 (5) | 11 (4.3) | 5 (7.9) |
Renal disease | 53 (16.6) | 39 (15.2) | 14 (22.2) |
Liver disease | 5 (1.6) | 2 (0.8) | 3 (4.8) |
Influenza vaccinationb, n (%) | 52 (21.2) | 43 (21.5) | 9 (20.0) |
At least one factor targeted by the vaccination c, n (%) | 270 (84.4) | 212 (82.5) | 58 (92.1) |
Origin, n (%) | |||
Emergency department | 153 (47.8) | 121 (47.1) | 32 (50.8) |
Other hospital wards | 22 (6.9) | 18 (7.0) | 4 (6.3) |
Nursing home residence | 11 (3.4) | 9 (3.5) | 2 (3.2) |
Out-of-hospital emergency services | 134 (41.9) | 109 (42.4) | 25 (39.7) |
Healthcare worker | 2 (0.6) | 1 (0.4) | 1 (1.6) |
Information before ICU/ICW admission, n (%) | |||
Time from symptoms onset to ICU/ICW referral (days), median [IQR] | 3 [1–5] | 3 [1–5] | 3 [1–6] |
Treatments before admission, n (%) | 220 (69.4) | 179 (70.2) | 41 (67.2) |
Antimicrobial drugs | 196 (61.3) | 160 (62.3) | 36 (57.1) |
Antibiotics | 179 (56.5) | 146 (57.3) | 33 (53.2) |
Antiviral therapy (oseltamivir) | 76 (24.0) | 64 (25.1) | 12 (19.4) |
Anti-inflammatory drugs | 53 (16.6) | 44 (17.1) | 9 (14.3) |
Steroids | 39 (12.3) | 33 (12.9) | 6 (9.7) |
NSAIDs | 17 (5.4) | 13 (5.1) | 4 (6.5) |
Clinical features during the first 24 h of ICU/ICW admission, n (%) | |||
Altered mental status (CGS < 14) | 83 (28.2) | 66 (27.8) | 17 (29.8) |
Pulse ≥ 125 per minute | 92 (28.8) | 72 (27.9) | 20 (32.4) |
Respiratory rate ≥ 30 per minute or MV | 211 (65.9) | 165 (64.0) | 46 (73.8) |
Systolic blood pressure < 90 mm Hg or diastolic blood pressure < 60 mm Hg or vasopressors | 116 (36.2) | 81 (31.3) | 35 (56.0) |
Temperature < 35 °C or ≥ 40 °C | 41 (13.0) | 23 (9.0) | 18 (29.5) |
Radiographic findings during the first 24 h of ICU/ICW admission, n (%) | |||
Bilateral infiltrate | 200 (62.5) | 153 (59.5) | 47 (74.6) |
Pleural effusion | 42 (13.1) | 30 (11.7) | 12 (19.0) |