Table 6 Kruskal–Wallis test and Wilcoxon rank sum test results for comparing no AIT and AIT treated mean symptom levels (alternative = “greater”).

From: Ragweed pollen concentration predicts seasonal rhino-conjunctivitis and asthma severity in patients allergic to ragweed

Symptoms

Kruskal–Wallis test

Wilcoxon rank sum test

Chi-squared

df

p-value

W

p-value

conjunctivitis

28.397

17

0.041

3840.0

 < 0.001

rhinitis

45.513

20

0.001

3737.5

 < 0.001

asthma

29.445

12

0.003

3735.5

 < 0.001

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