Table 3.
Comparison of clinical features of anaphylaxis in the adults and older adults.
| Adults (18–64 years) n (%) | Older adults (≥65 years) n (%) | pa | |
|---|---|---|---|
| Total | 887 (91.3) | 84 (8.7) | |
| Symptoms | |||
| Mucocutaneous | 760 (85.7) | 64 (76.2) | 0.020 |
| Respiratory | 702 (79) | 54 (64.3) | 0.002 |
| Cardiovascular | 395 (44.5) | 56 (66.6) | <0.001 |
| Gastrointestinal | 124 (14) | 11 (13.1) | 0.852 |
| Severity | |||
| Grade III | 372 (41.9) | 40 (47.6) | 0.314 |
| Grade IV | 424 (47.8) | 27 (32.1) | 0.006 |
| Grade V | 91 (10.3) | 17 (20.3) | 0.005 |
| Biphasic reaction | 33 (3.7) | 1 (1.2) | 0.228 |
| Hospitalization | 108 (12.2) | 31 (36.9) | <0.001 |
| Treatment in the ICU | 71 (8) | 13 (15.5) | <0.001 |
ICU, intensive care unit.
a
Chi Square test (data were shown as number and percentages)