Table 2. Treatments and outcomes of anaphylaxis patients according to the development of hypotension.
| Variables | no hypotension (n = 300) | hypotension (n = 40) | P Value |
|---|---|---|---|
| Treatment | |||
| H1-antihistamines | 269 (89.7) | 37 (92.5) | 0.781 |
| H2-antihistamines | 255 (85.3) | 37 (92.5) | 0.239 |
| Corticosteroids | 243 (81.0) | 35 (87.5) | 0.389 |
| Auto injector | 6 (2.0) | 0 (0.0) | 1.000 |
| Salbutamol nebulizer | 55 (18.3) | 5 (12.5) | 0.393 |
| Use of adrenaline in hemodynamically stable | 101 (33.7) | 5 (12.5) | 0.010 |
| Admission | 47 (15.7) | 16 (40.0) | 0.001 |
| ED stay, minutes | 253 (152–404) | 496 (246–821) | 0.000 |
| Medical contact to hypotension | 35.0 (9.0–116.0) | NA | |
ED: emergency department; NA: nonapplicable.
Values are expressed as median and interquartile range (IQR), or n (%).