Skip to main content

Table 1 Study Subject Characteristics

From: PCR based bronchoscopic detection of common respiratory pathogens in chronic cough: a case control study

  Healthy volunteers Chronic cough HV vs. all patients (P-value)
   All patients Lymphocytes <10% Lymphocytes >20%  
n 10 20 10 10 -
Age (yr) 31.0 (29.25-42) 57.0 (51–61.75) 57.5 (50.5-59.75) 57.0 (51.5-64.75) P < 0.001
Male, n 5 7 4 3 P = 0.461
Cough Duration (yr) n/a 6.6 (1.64) 5.9 (1.99) 7.3 (2.69) -
Smoking status      
 Never 9 14 7 7 P = 0.372
 Ex 1 6 3 3  
 Pack Years 1.0 7.0 (3–9.5) 8.0 (7–9) 2.0 (1.5-12.5) P = 0.356
BAL lymphocyte % 9.5 (6.25-12.5) 15.5 (6.5-30.25) 6 (3.5-8.5) 30.5 (22–32) P = 0.402
  1. Data expressed as mean (SEM) or Median (IQR, 25th-75th Percentile). Data were compared using Mann–Whitney U-test (†) or Fisher’s exact test ().