Table 3 Multivariate regression results for the five patient-reported asthma symptoms (n = 505).

From: When patient-reported respiratory symptoms shed light on pathophysiology in adult asthma: a cross-sectional study

 

Cough intensity

Airway secretion intensity

Chest tightness intensity

Dyspnea intensity

Wheezing intensity

Estimate (95% CI)

P-value

Estimate (95% CI)

P-value

Estimate (95% CI)

P-value

Estimate (95% CI)

P-value

Estimate (95% CI)

P-value

Age (years)

0.004 (− 0.002; 0.011)

0.2250

0.0020 (− 0.005; 0.01)

0.6168

− 0.01364*** (− 0.02144; − 0.005828)

0.0007

− 0.001761 (− 0.008906; 0.005383)

0.6283

− 0.01076** (− 0.0181; − 0.0034)

0.0042

Gender (Male)

− 0.2329* (− 0.42; − 0.04)

0.0149

0.1633 (− 0.057; 0.38)

0.1468

− 0.2465* (− 0.4617;− 0.03139)

0.0248

− 0.3430*** (− 0.5399; − 0.1461)

0.0007

0.1203 (− 0.08203; 0.3226)

0.2433

BMI (kg/m2)

0.007038 (− 0.01; 0.02)

0.4278

− 0.0009 (− 0.02; 0.01)

0.9338

0.01025 (− 0.009770; 0.03026)

0.3150

0.02311* (0.004796; 0.04143)

0.0135

0.02427* (0.0054; 0.043)

0.0116

Smoking status

− 0.4439** (− 0.71; − 0.17)

0.0013

− 0.3767* (− 0.69; − 0.05)

0.0202

0.006330 (− 0.3031; 0.3158)

0.9680

0.02477 (− 0.2584; 0.3080)

0.8636

− 0.2650 (− 0.5560; 0.02607)

0.0743

− 0.3201** (− 0.56; − 0.07)

0.0098

− 0.2423 (− 0.5280; 0.04348

0.0964

− 0.1400 (− 0.4185; 0.1385)

0.3237

− 0.03248 (− 0.2873; 0.2224)

0.8023

− 0.4164** (− 0.6783; − 0.1545)

0.0019

Ex-smokers

− 0.4439** (− 0.71; − 0.17)

0.0013

− 0.3767* (− 0.69; − 0.05)

0.0202

0.006330 (− 0.3031; 0.3158)

0.9680

0.02477 (− 0.2584; 0.3080)

0.8636

− 0.2650 (− 0.5560; 0.02607)

0.0743

No smokers

− 0.3201** (− 0.56; − 0.07)

0.0098

− 0.2423 (− 0.5280; 0.04348

0.0964

− 0.1400 (− 0.4185; 0.1385)

0.3237

− 0.03248 (− 0.2873; 0.2224)

0.8023

− 0.4164** (− 0.6783; − 0.1545)

0.0019

FeNO (ppb)

− 0.003437* (− 0.006; − 0.0005)

0.0221

− 0.002470 (− 0.005936;0.0009960)

0.1621

− 1.264e5 (− 0.003390; 0.003365)

0.9941

− 0.002223 (− 0.005313; 0.0008683)

0.1583

0.001592 (− 0.001585; 0.004768)

0.3253

FEV1 pre (%)

− 0.007188* (− 0.013; − 0.0005)

0.0337

− 0.003302 (− 0.01112; 0.004514)

0.4069

− 0.01289*** (− 0.02050; − 0.005270)

0.0010

− 0.02086**** (− 0.02783; − 0.01389)

< 0.0001

− 0.01908**** ( − 0.0262; − 0.0119)

< 0.0001

FEV1/FVC pre %

0.008646 (− 0.005; 0.022)

0.2214

0.004668 (− 0.01169; 0.02102)

0.5751

0.01117 (− 0.004763; 0.02711)

0.1690

0.02154** (0.006959; 0.03613)

0.0039

0.01517* ( 0.0001; 0.0301)

0.0473

Sputum neutrophils (%)

0.002941 (− 0.001; 0.007)

0.1836

0.0009930 (− 0.004123; 0.006109)

0.7031

− 2.841e5 (− 0.005014; 0.004957)

0.9911

− 0.001062 (− 0.005625; 0.003500)

0.6475

− 0.003504 (− 0.0081; 0.0011)

0.1427

Sputum eosinophils (%)

0.008295* (0.0001; 0.016)

0.0469

0.005766 (− 0.003876; 0.01541)

0.2406

− 0.001944 (− 0.01134; 0.007452)

0.6845

− 0.003377 (− 0.01198; 0.005222)

0.4407

0.001513 (− 0.0073; 0.010)

0.7367

Blood neutrophils (µL)

0.03824 (− 0.007; 0.083)

0.0978

0.03301 (− 0.02040; 0.08641)

0.2252

0.01628 (− 0.03576; 0.06832)

0.5390

0.03858 (− 0.009042; 0.08621)

0.1121

0.02843 (− 0.0205; 0.0773)

0.2542

Blood eosinophils (µL)

0.3031* (0.033; 0.57)

0.0276

0.1888 (− 0.1290; 0.5066)

0.2436

− 0.1410 (− 0.4506; 0.1687)

0.3715

0.1365 (− 0.1469; 0.4199)

0.3444

− 0.01594 (− 0.3072; 0.2753)

0.9144

Fibrinogen (g/L)

0.01782 (− 0.12; 0.15)

0.8051

0.02231(− 0.1449; 0.1895)

0.7933

0.01805 (− 0.1449; 0.1810)

0.8278

0.01899 (− 0.1301; 0.1681)

0.8025

0.04449 (− 0.1087; 0.1977)

0.5686

CRP (mg/L)

− 0.005146 (− 0.02; 0.009)

0.5024

0.009259 (− 0.008501; 0.02702)

0.3061

0.004638 (− 0.01267; 0.02194)

0.5987

0.002622 (− 0.01322; 0.01846)

0.7451

0.005134 (− 0.011; 0.021)

0.5357

Total IgE (KU/L)

− 5.963e−5 (− 0.001; 1.531e−5)

0.1186

5.960e6 (− 8.238e− 5; 9.430e− 5)

0.8946

− 3.143e5 (− 0.0001175; 5.465e−5)

0.4735

− 3.619e5 (− 0.0001150;4.258e−5)

0.3671

− 4.37e5 (− 0.0001; 4.059e−5)

0.3277

  1. *Significant at the p < 0.05 level; **Significant at the p <0.01 level; ***Significant at the p <0.001 level; ****Significant at the p <0.0001 level.