TABLE 2

Pearson's correlations between all six scales, BMI and FEV1 % predicted

SAQ scoreMiniAQLQ scoreACT totalEQ-5D-5L scoreEQ-5D-VASSAQ-global score
MiniAQLQ score0.76*** (140)-----
ACT total0.68*** (154)0.84*** (145)----
EQ-5D-5L score−0.76*** (97)−0.72*** (99)−0.67*** (100)---
EQ-5D-VAS0.71*** (96)0.76*** (98)0.66*** (99)−0.79*** (98)--
SAQ-global scale0.72*** (158)0.71*** (140)0.68*** (154)−0.71*** (97)0.76*** (97)-
BMI−0.31*** (154)−0.25** (146)−0.25** (159)0.44*** (100)−0.24* (100)−0.22** (154)
FEV1 % predicted0.27** (154)0.30*** (146)0.24** (159)−0.13 (100)0.16 (100)0.26** (154)

Data are presented as correlation coefficient (n). SAQ: Severe Asthma Questionnaire; MiniAQLQ: Mini Asthma Quality of Life Questionnaire; ACT: Asthma Control Test; VAS: visual analogue scale; BMI: body mass index; FEV1: forced expiratory volume in 1 s. *: p<0.05, **: p<0.01, ***: p<0.001.