Table 1 Kruskal-Wallis Test of the difference in duration of viral RNA shedding among three groups
From: Excretion of enterovirus 71 in persons infected with hand, foot and mouth disease
Grouping variable | No (%) of patients | Mean rank | Chi-square | P value |
|---|---|---|---|---|
Close contact | 7 (23.33%) | 4.50 | 17.89 | P < 0.01 |
Mild case | 9 (30.00%) | 14.89 | ||
Severe case | 14 (46.67%) | 21.39 | ||
Total | 30 | / | / | / |