Table 1—

Number of returned and completed questionnaires across all countries

CountryReturnedCompleted%#
Brazil33275.7
Canada988117.1
France999920.9
Italy626213.1
Spain757415.6
The Netherlands727215.2
USA645912.4
Total503474100
  • #: percentage of total completed questionnaires

  • Return rate is significantly different between the countries (p<0.001)