Factors Associated with Treatment Failure in Patients with Acute Exacerbation of COPD Admitted to the Emergency Department Observation Unit
Table 3
Treatment of the studied population in the ED before transfer to the EDOU.
Parameters
Treatment failure group (n = 82)
Treatment success group (n = 138)
value
Total doses of bronchodilator (nebulizer)
4.0 ± 1.4
4.4 ± 1.5
0.081
Oxygen support
18 (22)
34 (24.6)
0.772
Systemic corticosteroid
80 (97.6)
132 (95.7)
0.713
Antibiotic
39 (47.6)
66 (47.8)
1.000
Vital signs at ED before transfer to EDOU
Pulse rate (beat/min)
99.7 ± 16.3
97.7 ± 13.7
0.344
Respiratory rate (breath/min)
25.9 ± 3.1
25.6 ± 3.6
0.525
Systolic blood pressure (mmHg)
134.6 ± 18.1
136.6 ± 20.4
0.457
Diastolic blood pressure (mmHg)
74.0 ± 11.8
74.2 ± 11.6
0.886
SpO2 (room air) (%)
95.5 ± 2.3
95.6 ± 2.2
0.726
ED length of stay (h), mean (SD)
3.8 ± 1.4
4.2 ± 1.6
0.049
Notes. Data are presented as mean ± SD or n (%) as appropriate. Values <0.05 are statistically significant. Abbreviations: ED, emergency department; EDOU, emergency department observation unit; SpO2, oxygen saturation.
