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Table 3 The RR and PC of eczema risk associated with 10 mg/m3 increase of NO2

From: NO2 exposure increases eczema outpatient visits in Guangzhou, China: an indication for hospital management

Pollutant (per 10 μg/m3) Lag Day RR PC (%) P-value
NO2 Lag 0 1.0410 (1.0380–1.0440) 4.10 (3.80–4.40) <.001
Lag 1 1.0331 (1.0299–1.0364) 3.31 (2.99–3.64) <.001
Lag 2 1.0164 (1.0133–1.0195) 1.64 (1.33–1.95) <.001
Lag 3 1.0057 (1.0027–1.0087) 0.57 (0.27–0.87) 0.056
  1. Note: PC refers to percentage change