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Table 1 The causes of chronic and subacute cough

From: A novel diagnostic algorithm for chronic and subacute cough

PNDS AS GERD Others Undiagnosed
34.2% 44.5% 10.1% 8.4% 10.1%
  1. AS, asthma syndromes; GERD, gastroesophageal reflux disease; PNDS; postnasal drip syndrome. 26 patients with 2 causes, 6 patients with 3 causes.