Table 1 Characteristics of 81 families (1874 individuals) ascertained for asthma

From: Significant evidence for linkage to chromosome 5q13 in a genome-wide scan for asthma in an extended pedigree resource

 

All kindreds (n=81)

Mean number of individuals/pedigree (range)

23 (6–97)

Mean number of affecteds/pedigree (range)

9 (2–40)

Mean number of typed affecteds/pedigree (range)

9 (2–36)

Median age (range)

42 (12–97)

Median age at diagnosis (range)

9 (0–79)

% indicating atopic symptomsa

52

Average predicted FEV1/FVCb (%)

74.4

Average measured FEV1/FVCb (%)

83.1

% indicating history of smokinga

13

% Caucasiona

99

  1. Abbreviations: FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity.
  2. aAs per questionnaire.
  3. bPredictions derived from sex, height and weight.
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