Table 2.
Antibiotics, echocardiography and procedures
| Variables | Non-elderly | Elderly | Very elderly | P value |
| (n=7803) | (n=7874) | (n=4990) | ||
| Antibiotics for more than 2 weeks | ||||
| Penicillin system | 3364 (43.1%) | 3177 (40.3%) | 1730 (34.7%) | <0.001* |
| Cephem system | 2489 (31.9%) | 2202 (28.0%) | 1356 (27.2%) | <0.001* |
| Carbapenem | 600 (7.7%) | 687 (8.7%) | 458 (9.2%) | 0.007* |
| Aminoglycoside | 2961 (37.9%) | 2468 (31.3%) | 1153 (23.1%) | <0.001* |
| Glycopeptide | 1237 (15.9%) | 1452 (18.4%) | 783 (15.7%) | <0.001* |
| Daptomycin | 275 (3.5%) | 298 (3.8%) | 130 (2.6%) | 0.001* |
| Linezolid | 142 (1.8%) | 119 (1.5%) | 45 (0.9%) | <0.001* |
| Antifungal antibiotics | 131 (1.7%) | 237 (3.0%) | 102 (2.0%) | <0.001* |
| Others | 1785 (22.9%) | 2119 (26.9%) | 1585 (31.8%) | <0.001* |
| Echocardiography | ||||
| TTE | 7263 (93.1%) | 7251 (92.1%) | 4556 (91.3%) | 0.001* |
| TEE | 4007 (51.4%) | 3700 (47.0%) | 1494 (29.9%) | <0.001* |
| Intensive treatment within 2 days after admission | ||||
| Admission to HCU | 266 (3.4%) | 305 (3.9%) | 178 (3.6%) | 0.289 |
| Admission to ICU | 1255 (16.1%) | 1055 (13.4%) | 347 (7.0%) | <0.001* |
| Inotropic therapy | 1236 (15.8%) | 1205 (15.3%) | 500 (10.0%) | <0.001* |
| Ventilation Support | 754 (9.7%) | 674 (8.6%) | 237 (4.7%) | <0.001* |
| CRRT | 135 (1.7%) | 175 (2.2%) | 49 (1.0%) | <0.001* |
| IRRT | 348 (4.5%) | 498 (6.3%) | 145 (2.9%) | <0.001* |
| PMX-DHP | 36 (0.5%) | 29 (0.4%) | 7 (0.1%) | 0.01* |
| Surgical treatment | 2894 (37.1%) | 2246 (28.5%) | 465 (9.3%) | <0.001* |
Data are expressed as number (percentage).
*P values are significant.
CRRT, continuous renal replacement therapy; HCU, high care unit; ICU, intensive care unit; IRRT, intermittent renal replacement therapy; PMX-DHP, Polymyxin B-immobilised fibre column-direct hemoperfusion; TEE, transoesophageal echocardiography; TTE, transthoracic echocardiography.