Table 4

Prognostic factors in childhood: subjects with versus those without bronchial hyperresponsiveness in adolescence

Childhood dataBHR in
adolescence (n=23)
No BHR in
adolescence (n=110)
DFEV1 (%)4-150 14.0  (15.4)6.5  (9.0)4-154
Prick score (mm)4-150 4-1 18.9 (13.2)11.3 (9.7)4-154
Family history of asthma4-160 5 (21.7)28 (25.4)
More severe asthma4-160 17 (73.9)70 (63.6)
Allergic trigger4-160 4-2 19 (82.6)56 (50.9)4-153
Dampness4-160 4-3 8 (36.4)14 (13.3)4-153
  • DFEV1 = difference in forced expiratory volume in one second.

  • 4-150 Mean (SD).

  • 4-160 No. (%).

  • 4-1 Sum of the wheal sizes of the prick tests with six different aeroallergens.

  • 4-2 Allergic trigger of symptoms according to parental questionnaire.

  • 4-3 Dampness in the child’s home according to parental questionnaire.

  • 4-153 p<0.05 (χ2 test).

  • 4-154 p<0.05 (Wilcoxon rank sum test).