Table 2

Baseline characteristics and treatment at admission

CharacteristicUsual hospital care (N=69)Early assisted discharge (N=70)
Age (years)67.8 (11.3)68.3 (10.3)
Men n (%)38 (55.1)48 (68.6)
Smoking history
 Current smokers n (%)27 (39.1)23 (32.9)
 Pack years, median interquartile range3744
36.926.7
Body mass index (kg/m2)25.6 (4.3)25.0 (5.1)
Charlson comorbidity score*231.68 (1.1)1.74 (1.1)
 Comorbidity score of 1 n (%)42 (60.0)38 (54.0)
 Comorbidity score >1 n (%)27 (39.0)32 (46.0)
Living situation
 Living alone n (%)21 (30.4)22 (31.4)
 Receiving care at home before admission n (%)16 (23.2)17 (24.3)
Treatment at admission
 Long-term oxygen treatment n (%)4 (5.8)5 (7.1)
 Oral steroids n (%)5 (7.2)10 (14.3)
 Course of oral steroids prior to admission n (%)34 (50.0)35 (50.7)
 Course antibiotics prior to admission n (%)31 (45.6)32 (46.4)
 Inhaled β2-agonist (LABA) n (%)9 (13.0)7 (10.0)
 Inhaled corticosteroid n (%)3 (12.0)3 (15.0)
 Inhaled corticosteroid/LABA combination n (%)44 (63.7)50 (71.4)
Inhaled anticholinergic n (%)
 Tiotropium31 (44.9)36 (51.4)
 Ipratropium12 (17.4)13 (18.6)
Followed rehabilitation programme in year prior to admission n (%)10 (14.9)12 (17.4)
Heart Rate (beats/min)91.0 (14.2)95.6 (18.4)
Arterial blood gas†N=37N=42
 pH7.44 (0.05)7.43 (0.04)
 pO2 (mm Hg)70.7 (13.2)67.3 (8.1)
 pCO2 (mm Hg)37.2 (6.2)39.1 (5.3)
 Saturation94 (2.5)94 (3.6)
  • Values represent mean (SD), unless stated otherwise.

  • *Charlson comorbidity index, 1=only COPD, higher score means more comorbidities.

  • †Only data of blood gas measurements in patients without oxygen supplement.

  • COPD, chronic obstructive pulmonary disease; LABA, long-acting β2 agonist.