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Table 1 Demographic data and NTHI detection in lung tissues from COPD patients and controls.

From: The TGF-beta-Pseudoreceptor BAMBI is strongly expressed in COPD lungs and regulated by nontypeable Haemophilus influenzae

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)
  1. *p < 0.05 compared to controls (Chi square); ISH = in situ hybridization, NTHI = nontypeable Haemophilus influenzae