Study group Treatment | n | pack years | NTHI detection | Steroid | |
---|---|---|---|---|---|
PCR | ISH | ||||
COPD | 48 | 18 (38%)* | 18* | ||
GOLD I | 12 | 62 [28-145] | 4 (33%) | 4 | |
GOLD II (n = 8) | 18 | 67 [34-160] | 6 (33%) | 6 | systemic |
GOLD III (n = 8) | 18 | 56 [25-120] | 8 (44%) | 8 | inhalative (n = 8) systemic |
Controls | 11 | 0 | 0 | 0 | inhalative (n = 6) |