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Table 1 Clinical characteristics

From: The utility of the mannitol challenge in the assessment of chronic cough: a pilot study

  Normal Chronic cough
Number 16 13
Age # 48 (4) 54 (4)
Male/Female 7/9 3/10
FEV 1 % predicted # 106 (4) 91 (4)*
FEV 1 /FVC % # 82 (1) 81 (1)
Total LCQ # 6.9 (0.01) 5.7 (0.33)*
Physical domain # 6.9 (0.03) 5.5 (0.30)*
Psychosocial domain # 7.0 (0.0) 6.0 (0.38)*
Social domain # 7.0 (0.02) 5.8 (0.44)*
Cough VAS # 0.9 (0.4) 29.5 (6.3)*
Mannitol PD15 > 2.8 > 2.8
Capsaicin C2 16 (0.1) 4 (0.2)*
Capsaicin C5 251 (0.1) 63 (0.1)*
Mannitol C2 126 (0.2) 32 (0.2)*
Mannitol C5 501 (0.04) 316 (0.07)*
  1. #mean (SEM), geometric mean (logSEM), *p < 0.05