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Table 2 Analysis of related factors on the severity of clinical symptoms of chronic rhinitis patients in Baotou and Beijing

From: Comparative analysis of chronic rhinitis patient profiles during autumn pollen season between grassland and non-grassland cities in North China

Variable

Baotou

Beijing

rs

P-value

rs

P-value

Age

0.195

 < 0.001

0.009

0.766

Sex

–

0.478

–

0.514

Allergic or not

–

 < 0.001

–

0.004

Family history of allergy

–

0.010

–

0.990

Smoking history

–

0.062

–

0.074

With asthma

–

0.049

–

0.005

  1. A Spearman correlation analysis was performed on the continuous variable indicators of non-normal distribution (age), and the Mann–Whitney U test was used for the remaining binary variables in order to evaluate the factors affecting the clinical symptoms of patients in the two regions. P < 0.05 is shown in bold