Cut off level Compatibility with GINA Compatibility with GINA κϮ p
Not well-controlled asthma n(%)* Well-controlled asthma n(%)*
FeNO >35 ppb 2 (6.1) 162 (83.1) -0.106 0.109
FeNO >20 ppb 15 (14.4) 96 (84.2) -0.014 0.779
PACT <22 15 (23.1) 78 (97.5) 0.221 <0.001
ACT <21 17 (48.6) 45 (95.8) 0.473 <0.001
PAQLQ <5.9 29 (27.9) 110 (94.8) 0.150 <0.001
FEV1 <80% 6 (27.3) 160 (85.6) 0.105 0.118
FEV1/FVC <0.80 0 (0.0) 173 (84.0) -0.027 0.450
FEF25-75 <80% 9 (15.5) 127 (84.1) -0.004 0.947