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Table 1 Characteristics of ASMC donors

From: Cytokine-induced molecular responses in airway smooth muscle cells inform genome-wide association studies of asthma

  With expression dataa With methylation dataa With contractile response data With all three
Sample size 67 70 65 63
Sex (males/females) 36/31 39/31 35/30 34/29
Ancestry (European American/African American) 50/17 51/19 48/17 47/16
Asthmab (yes/no) 14/53 16/54 13/52 13/50
Median age at time of death (range) (years) 51 (21–85) 51 (21–85) 53 (21–85) 53 (21–85)
Ever smokerc (%) 46 (69%) 49 (70%) 47 (72%) 46 (73%)
Median cell passage number (range) 4 (1–5) 4 (1–5) 4 (1–5) 4 (1–5)
  1. aIncludes only samples with genotype data
  2. bAsthma was determined based on limited medical records and reports available at the time of death and was not the cause of death of any donor listed
  3. cSmoking history reported after imputation, see Additional File 1 for details