Table 2

Univariate analysis of the correlations between mannitol C2 and C5 and other cough outcome measures in the whole group and chronic coughers alone
Mannitol Challenge
 C2
Whole group
C2
Chronic cough
C5
Whole group
C5
Chronic cough
Age #
 r = -0.2
 p = 0.31
 r = 0.17
 p = 0.59
 r = -.35
 p = 0.06
 r = -0.47
 p = 0.1
Total LCQ
 r = 0.25
 p = 0.19
 r = -0.09
 p = 0.77
 r = 0.47
 p = 0.01
 r = 0.38
 p = 0.2
Physical domain
 r = 0.23
 p = 0.23
 r = -0.16
 p = 0.6
 r = 0.48
 p = 0.01
 r = 0.40
 p = 0.18
Psychosocial domain
 r = 0.31
 p = 0.10
 r = 0.12
 p = 0.71
 r = 0.55
 p = 0.002
 r = 0.48
 p = 0.10
Social domain
 r = 0.38
 p = 0.04
 r = 0.18
 p = 0.57
 r = 0.56
 p = 0.002
 r = 0.53
 p = 0.07
Cough VAS
 r = -0.31
 p = 0.10
 r = -0.09
 p = 0.77
 r = -0.38
 p = 0.04
 r = -0.32
 p = 0.29
Capsaicin C2
 r = 0.19
 p = 0.45
 r = -0.01
 p = 0.96
 r = -0.04
 P = 0.88
 r = -0.37
 p = 0.22
Capsaicin C5
 r = 0.37
 p = 0.05
 r = 0.05
 p = 0.88
 r = 0.60
 p = 0.006
 r = -0.35
 p = 0.25

Singapuri et al. Cough 2008 4:10   doi:10.1186/1745-9974-4-10