Table 2—

Characteristics of 188 patients hospitalised with acute chronic obstructive pulmoanry disease#

PA groupNon-PA group+p-valueOR (95% CI)
Katz index4.74±1.95.61±1.10.030.67 (0.51–0.90)
Dyspnoea mMRC3.43±0.82.66±1.20.0012.07 (1.22–3.50)
Smoking pack-yrs73.7±39.756.76±33.80.021.01 (1.003–1.02)
Hospital admission in last month10 (32)22 (14)0.0012.95 (1.16–7.48)
Admissions in previous year3.06±3.50.91±1.30.0021.47 (1.19–1.81)
Days hospitalised in previous year38.3±51.78±12.70.0041.04 (1.02–1.06)
Antibiotic treatment in previous 3 months11 (35.5)51 (32.5)0.8281.14 (0.51–2.57)
Systemic corticosteroids7 (22.6)10 (6.6)0.013.57 (1.17–10.88)
Chronic systemic corticosteroids4 (12.9)4 (2.5)0.015.66 (1.3–24)
PBD FEV1 %38.7±12.245.9±14.70.010.96 (0.93–0.99)
Walking test m217.5±103343.7±98.5<0.0010.99 (0.98–0.99)
BODE index7.32±1.725.42±2.53<0.0011.45 (1.17–1.78)
Number of Anthonisen criteria0.735
 16 (19)40 (26)
 28 (26)41 (26)
 317 (55)76 (48)
Previous isolation PA19 (61.3)12 (7.6)<0.001122 (25.5–590)
Home oxygen therapy10 (32.3)24 (15.3)0.040.48 (0.19–1.1)
  • Data are presented as mean±sd or n (%), unless otherwise stated. PA: Pseudomonas aeruginosa; mMRC: modified Medical Research Council; PBD: post-bronchodilator; FEV1: forced expiratory volume in 1 s; BODE: body mass index, airflow obstruction, dyspnoea, exercise capacity. #: PA group compared with 157 patients in the non-PA group; : n = 31; +: n = 157.