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Table 1 Baseline characteristics among those with and without asthma in the IOW F1 sample (18 years of age)

From: Epigenome-wide association study of asthma and wheeze characterizes loci within HK1

Categorical factors

Asthmatics (n = 51)

Non-asthmatics (n = 319)

n

Percent

n

Percent

Female sex

35

68.6

210

65.8

Atopy

33

66.0

93

29.5

Continuous factors

n

Mean (SD)

n

Mean (SD)

FVC

49

4.50 (0.874)

307

4.48 (0.857)

FEV1

49

3.74 (0.750)

307

3.94 (0.719)

FEV1/FVC Ratio

49

0.83 (0.088)

307

0.88 (0.064)

FeNOa

47

21.00 (60.00)

300

14.0 (10.50)

Estimated cell proportions

n

Mean (SD)

n

Mean (SD)

CD8+ T-Cells

51

0.101 (0.082)

319

0.098 (0.054)

CD4+ T-Cells

51

0.121 (0.052)

319

0.110 (0.047)

Natural Killer Cells

51

0.055 (0.061)

319

0.070 (0.062)

B-Cells

51

0.046 (0.023)

319

0.039 (0.024)

Monocytes

51

0.072 (0.024)

319

0.074 (0.024)

Eosinophils

51

0.045 (0.045)

319

0.021 (0.025)

Neutrophils

51

0.558 (0.118)

319

0.589 (0.114)

  1. FEV1 forced expiratory volume in 1 s, FVC forced vital capacity, FeNO fractional-exhaled nitric oxide
  2. aDue to heavy positive skew of FeNO, medians (interquartile ranges) are presented here