Table 3

Regression models of FENO (NO) and clinical signs and symptoms in different patient collectives, where k is the number of covariates in the final model

General Practice: k=5; Embedded Image
Variableiβi NO exactβi NO ≤10βi NO ≤16βi NO ≥40βi NO ≥50βi NO ≥60βi NO ≥70βi NO ≥80
Constant01.512.452.742.091.952.062.092.19
NO10.03−0.96−1.051.031.531.911.8920.82
Age2−0.04−0.04−0.04−0.04−0.04−0.04−0.04−0.04
Medication31.581.871.741.621.681.701.641.59
Infection4−1.31−1.25−1.23−1.24−1.27−1.40−1.29−1.21
Cough5−1.04−0.98−1.14−1.05−1.02−0.90−0.99−1.05
Pneumologist: k=3; Embedded Image
VariableiIβi NO exactβi NO ≤10βi NO ≤16βi NO ≥40βi NO ≥50βi NO ≥60βi NO ≥70βi NO ≥80
Constant0−1.85−1.39−1.27−1.55−1.56−1.51−1.50−1.50
NO10.02−0.57−0.450.861.021.191.091.84
Wheezing20.820.970.960.880.900.850.870.86
Allergic Rhinitis31.281.431.401.331.381.371.371.34
Combined: k=6; Embedded Image
Variableiβi NO exactβi NO ≤10βi NO ≤16βi NO ≥40βi NO ≥50βi NO ≥60βi NO ≥70βi NO ≥80
Constant0−0.79−0.100.00−0.43−0.49−0.45−0.42−0.47
NO10.02−0.91−0.640.901.071.401.322.09
Age2−0.02−0.02−0.02−0.02−0.02−0.02−0.02−0.01
Wheezing30.660.830.820.740.750.700.720.71
Allergic rhinitis and medication42.342.402.402.322.292.282.362.36
Allergic rhinitis50.730.850.810.760.830.840.830.82
Infection−0.44−0.51−0.51−0.46−0.43−0.46−0.47−0.44