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Table 3 Basic data

From: Classification of chronic cough by systematic treatment cascade trial starting with beta agonist

  BA CVA NHBRC AC SBS GERD
  (n = 19) (n = 47) (n = 30) (n = 17) (n = 5) (n = 12)
Duration (days) 421 (898) 195 (428) 491 (1194) 654 (1406) 399 (396) 97 (39)
IgE ( IU/ml) 1181 (3349) 291 (583) 262 (542) 255 (383) 127 (198) 139 (168)
PND (%) 26 32 18 29 100* 17
PC20 (mg/ml) 4.347 (5.820)* 4.149 (2.944)* >20 >20 >20 >20
%VC (%) 113 (18) 106 (15) 112 (13) 118 (17) 105 (20) 115 (13)
%FEV1/FVC (%) 72 (11)* 81 (11) 83 (7) 83 (7) 75 (8) 82 (6)
  1. Data are means (SD). Patients with a single diagnosis were selected for comparison. IgE, serum IgE level; PND (%), percentage of patients with postnasal drip; PC20, methacholine concentration which induces a 20% decrease in the forced expiratory volume in one second (FEV1); %VC, percentage of predicted value of vital capacity; %FEV1/FVC; FEV1/FVC ratio expressed by percentage. * p < 0.05.