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Table 1 Characteristics of 126 CAP patients, by the presence of a poultry farm within 1 km of the home address

From: Increased risk of pneumonia in residents living near poultry farms: does the upper respiratory tract microbiota play a role?

  Poultry farm at ≥1 km Poultry farm at <1 km p-valuea
n 100 26  
Male sex, n (%) 61 (61.0) 15 (57.7) 0.76
Age, mean ± SD, yrs 70.3 ± 15.3 66.5 ± 13.6 0.26
CAP at age ≥60 year, n (%) 80 (80.0) 19 (73.1) 0.44
Current smoking, n (%) 40 (40.0) 8 (30.8) 0.30
Month of admission, n (%)
 November 2008 17 (17.0) 6 (23.1) 0.71
 December 2008 27 (27.0) 8 (30.8)  
 January 2009 26 (26.0) 7 (26.9)  
 February 2009 30 (30.0) 5 (19.2)  
Recent antibiotics usageb 0 (0.0) 0 (0.0) NA
COPD, n (%) 40 (40.0) 10 (38.5) 0.89
ICS, n (%) 6 (6.0) 3 (11.5) 0.39
PSI, n (%)
 Mild 26 (26.0) 8 (30.7) 0.60
 Moderate 45 (45.0) 13 (50.0)  
 Severe 29 (29.0) 5 (19.2)  
  1. aChi-square test, Fisher’s exact test, or t-test. bUse of antibiotics <2 weeks before admission
  2. COPD chronic obstructive pulmonary disease, NA not available, ICS immunocompromized status, PSI pneumonia severity index