Table 1. Clinical and functional characteristics of the asthmatic children.

Characteristic
Median [interquartile]
Number of patients	2193
Sex ratio, girls/boys	841/1352
age, years	10.8 [9.0–12.8]
height, cm	144 [135–155]
weight, kg	36 [30–47]
sRaw0.5, kPa.s	0.76 [0.62–0.97]
FEV1, % predicted	99 [88–108]
FEV1/FVC, %	84 [79–88]
FEF25–75%, % predicted	82 [66–97]
FEF50%, % predicted	82 [66–99]