Table 2– Specific airways resistance values for all included centres
CentresReffsRtot
21.13±0.3#1.29±0.3
41.09±0.21.20±0.3
51.15±0.21.32±0.2

  • Data are presented as mean±sd. #: effective airways resistance (sReff): calculated by applying a correction factor to total airways resistance (sRtot) data (sReff = (-0.03+0.9)×sRtot); : sRtot: calculated by applying a correction factor to sReff data (sRtot = (0.09+1.07)×sReff).