PA group¶ | Non-PA group+ | p-value | OR (95% CI) | |
Katz index | 4.74±1.9 | 5.61±1.1 | 0.03 | 0.67 (0.51–0.90) |
Dyspnoea mMRC | 3.43±0.8 | 2.66±1.2 | 0.001 | 2.07 (1.22–3.50) |
Smoking pack-yrs | 73.7±39.7 | 56.76±33.8 | 0.02 | 1.01 (1.003–1.02) |
Hospital admission in last month | 10 (32) | 22 (14) | 0.001 | 2.95 (1.16–7.48) |
Admissions in previous year | 3.06±3.5 | 0.91±1.3 | 0.002 | 1.47 (1.19–1.81) |
Days hospitalised in previous year | 38.3±51.7 | 8±12.7 | 0.004 | 1.04 (1.02–1.06) |
Antibiotic treatment in previous 3 months | 11 (35.5) | 51 (32.5) | 0.828 | 1.14 (0.51–2.57) |
Systemic corticosteroids | 7 (22.6) | 10 (6.6) | 0.01 | 3.57 (1.17–10.88) |
Chronic systemic corticosteroids | 4 (12.9) | 4 (2.5) | 0.01 | 5.66 (1.3–24) |
PBD FEV1 % | 38.7±12.2 | 45.9±14.7 | 0.01 | 0.96 (0.93–0.99) |
Walking test m | 217.5±103 | 343.7±98.5 | <0.001 | 0.99 (0.98–0.99) |
BODE index | 7.32±1.72 | 5.42±2.53 | <0.001 | 1.45 (1.17–1.78) |
Number of Anthonisen criteria | 0.735 | |||
1 | 6 (19) | 40 (26) | ||
2 | 8 (26) | 41 (26) | ||
3 | 17 (55) | 76 (48) | ||
Previous isolation PA | 19 (61.3) | 12 (7.6) | <0.001 | 122 (25.5–590) |
Home oxygen therapy | 10 (32.3) | 24 (15.3) | 0.04 | 0.48 (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.