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. 2019 Dec 3;9:18205. doi: 10.1038/s41598-019-54841-4

Table 1.

Association of ocular allergic diseases with air pollutants in 2016 by multiple logistic regression analysis.

Vernal keratoconjunctivitis Atopic keratoconjunctivitis
Odds ratio P value Odds ratio P value
NO (quintile) 1.72 P = 0.002 1.21 P = 0.032
NO2 (quintile) 1.88 P = 0.003 1.23 P = 0.028
NOx (quintile) 1.72 P = 0.002 1.22 P = 0.029
Oxidant (quintile) 1.62 P = 0.017 1.13 P = 0.181
SO2 (quintile) 1.35 P = 0.059 0.93 P = 0.387
PM2.5 (quintile) 1.37 P = 0.192 0.81 P = 0.013
PM10 (quintile) 1.54 P = 0.023 1.10 P = 0.170
Seasonal allergic conjunctivitis Perennial allergic conjunctivitis
Odds ratio P value Odds ratio P value
NO (quintile) 1.06 P = 0.256 0.98 P = 0.717
NO2 (quintile) 1.05 P = 0.427 1.04 P = 0.463
NOx (quintile) 1.07 P = 0.191 0.98 P = 0.736
Oxidant (quintile) 1.15 P = 0.078 0.90 P = 0.064
SO2 (quintile) 0.88 P = 0.021 1.13 P = 0.057
PM2.5 (quintile) 0.92 P = 0.257 0.98 P = 0.729
PM10 (quintile) 1.04 P = 0.378 0.97 P = 0.526

Adjusted for age, cedar pollen, allergic rhinitis, and atopic dermatitis.