Prehospital prognosis is difficult in patients with acute exacerbation of chronic obstructive pulmonary disease

Table 3 Outcome among patients with acute exacerbation of chronic obstructive pulmonary disease

Outcome	Patients with AE n = 530 (%)
Hospitalisation
Released at the scene	61 (11.5)
Hospital admission	469 (88.5)
Discharged within 24 h	140 (29.8)
Discharged to home	387 (82.5)
Discharged to nursery home	42 (8.9)
Readmission within 48 h	34 (7.2)
Length of stay (days), mean (range)	4.5 (0–48)
Intensive Care Unit	n = 33 (6.2)
Intensive Care Unit admission	33
Total hours in ICU, mean (range)	51.1 (1–264)
Non-invasive ventilation^b	85 (16.0 of all patients)
Invasive mechanical ventilation^a	20 (60.6)
Prehospital intubation	8
Intubation within 3 h of admission	7
ICU 30-day mortality	10 (30.3)
Mortality
0–30 day mortality	53 (10.0)
24-h mortality	14 (2.6)
30-day mortality	39 (7.4)

Overall mortality was sum of 24-h mortality and 30-day mortality
^aEight patients were intubated at prehospital scene, seven patients were intubated within 3 h of admission, four patients were intubated during ICU stay, and one intubated patient was lost to follow-up due to transfer to another hospital
^b85 patients had non-invasive ventilation in the emergency department, ICU, or department of respiratory medicine

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