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Table 1 Subject demographics used with principal component scores to determine main drivers of variation in data

From: Short-term diesel exhaust inhalation in a controlled human crossover study is associated with changes in DNA methylation of circulating mononuclear cells in asthmatics

Variable Measurements
Gender: Male 7 [44%]
Age, years 28.7 ± 6.7 [19.2-46.5]
Ethnicity  
 Asian 2 [13%]
 Caucasian 12 [75%]
 Middle Eastern 1 [6%]
 South Asian 1 [6%]
Height, cm 170.0 ± 12.2 [151.0-185.5]
Mass, kg 71.9 ± 15.5 [53.0-104.6]
BMI, kg/m2 24.8 ± 3.9 [19.8-34.7]
FEV1, % predicted 90.3 ± 14.1 [66.0-120.0]
Atopy: atopic 9 [56%]
Asthma diagnosis: yes 12 [75%]
Methacholine-responsive: yes 15 [94%]
GSTP1: G allele 11 [69%]
Lymphocytes, K/μL 1.9 ± 0.5 [1.2-2.6]
Monocytes, K/μL 0.43 ± 0.13 [0.20-0.70]
Basophils, K/μL 0.03 ± 0.05 [0.00-0.10]
  1. Except where indicated, data are presented in terms of mean ± standard deviation with range or percentage of total in brackets.
  2. Count [percentage].