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. 2009 Aug 25;6(8):e1000140. doi: 10.1371/journal.pmed.1000140

Table 4. Comparisons of the presentation groups.

Presentation Odds Ratio (98.3% CI)a p-Value
Face icons % at day 3 versus bar graph % at day 3 1.08 (0.78–1.50) 0.65
Bar graph duration of symptoms versus bar graph % at day 3 0.39 (0.27–0.57) <0.001
Bar graph % at days 3 and 7 versus bar graph % at day 3 0.74 (0.52–1.05) 0.10
a

Adjusted overall CI level = 0.95.