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Table 1 Baseline characteristics of the study patients

From: Comparison of therapeutic effects of inhaled corticosteroids on three subtypes of cough variant asthma as classified by the impulse oscillometry system

 

All

Subtypes

 

Post-hoc test

Central

Peripheral

Resistless

†P

C-P

C-R

P-R

n

127

33

35

59

    

Patient characteristic

 Age

45.7 (1.4)

39.4 (2.7)

50.4 (3.0)

46.7 (2.7)

*

*

*

NS

 Male/Female (% Female)

46/81 (63%)

10/23 (70%)

3/32 (91%)

33/26 (44%)

**

   

 Atopy/Non-atopy (% Atopy)

56/50 (53%)

14/12 (53%)

14/19 (42%)

28/19 (59%)

    

 Duration of disease (Week)

5.3 (0.3)

5.6 (0.8)

5.0 (0.5)

5.2 (0.7)

    

 Smoker/Non-smoker (% Smoker)

52/75 (41%)

11/22 (33%)

10/25 (29%)

31/28 (53%)

*

   

 BMI

24.4 (0.4)

23.6 (0.7)

26.2 (0.8)

23.7 (0.7)

**

*

NS

*

Spirometry

 %FVC

103.4 (1.1)

100.6 (2.3)

104.0 (2.0)

105.0 (1.6)

    

 %FEV1

101.7 (1.1)

99.4 (2.2)

101.9 (2.3)

103.1 (1.4)

    

 FEV1/FVC

83.5 (0.5)

85.3 (1.2)

81.7 (0.8)

83.5 (0.8)

*

*

NS

NS

 %MMEF

78.6 (1.9)

80.7 (4.0)

73.0 (3.4)

82.9 (2.5)

    

 %PEF

107.6 (1.4)

100.8 (2.3)

105.6 (3.0)

112.4 (1.8)

**

NS

**

*

 Total LCQ score

11.8 (0.2)

12.1 (0.5)

11.6 (0.4)

11.8 (0.3)

    
  1. The data are shown as mean (SEM) or number (percentage). Differences among subtypes were tested by nonrepeated ANOVA (†P) with the Student–Newman–Keuls test for age, duration of disease, BMI, and spirometry (Post-hoc test). Differences in sex, atopy, and smoking were tested by the chi-squared test. Definition of abbreviations: %FVC Percent predicted FVC, %FEV1 Percent predicted FEV1, %MMEF Percent predicted MMEF, %PEF Percent predicted PEF. *: p < .05, **: p < .01 and NS: not significant
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Respiratory Research

ISSN: 1465-993X

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