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Table 1 Characteristics and outcomes of the RCT subjects

From: Cost-effectiveness of gargling for the prevention of upper respiratory tract infections

  Gargling (n = 122) Control (n = 130)
Baseline characteristics   
   Gender (male/female) 39/83 43/87
   Age (mean) 34.7 36.2
   Anti-influenza vaccination (%) 14.3 19.2
   Frequency of URTIs in preceding year 14/71/36 16/78/36
   (0/1–2/> = 3 times)*   
Outcomes of the trial   
   Infected cases (%)** 30.1 40.8
   Incidence rate per 60 person-days 0.34 0.52
   Duration of illness (days) *** 88 156
  1. * Data missing for 1 participant.
  2. ** Estimated by Kaplan-Meier.
  3. *** Duration of moderate or severe URTI