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Table 2 Relative risks of allergic rhinitis associated with daily mean temperature among selected cutoff points

From: Changes in ambient temperature increase hospital outpatient visits for allergic rhinitis in Xinxiang, China

Lag effects (days) 1st percentile relative to median temperature RR (95% CI) 25th percentile relative to median temperature RR (95% CI) 75th percentile relative to median temperature RR (95% CI) 99th percentile relative to median temperature RR (95% CI)
Lag 0 0.98 (0.75–1.27) 1.03 (0.89–1.18) 1.00 (0.91–1.11) 0.85 (0.71–1.02)
Lag 0–1 0.95 (0.72–1.26) 1.02 (0.87–1.18) 1.09 (0.98–1.21) 0.96 (0.79–1.18)
Lag 0–2 0.98 (0.73–1.33) 1.03 (0.87–1.21) 1.14 (1.01–1.27)* 1.05 (0.85–1.31)
Lag 0–3 1.04 (0.75–1.44) 1.09 (0.91–1.30) 1.15 (1.02–1.29)* 1.09 (0.86–1.37)
Lag 0–4 1.07 (0.76–1.51) 1.16 (0.96–1.41) 1.13 (0.99–1.29) 1.10 (0.86–1.40)
Lag 0–5 1.08 (0.75–1.55) 1.23 (1.00–1.51) 1.10 (0.96–1.27) 1.08 (0.83–1.40)
Lag 0–6 1.08 (0.73–1.59) 1.27 (1.02–1.58)* 1.07 (0.92–1.23) 1.05 (0.80–1.38)
Lag 0–7 1.11 (0.73–1.68) 1.32 (1.05–1.67)* 1.05 (0.90–1.22) 1.02 (0.77–1.37)
Lag 0–14 0.80 (0.44–1.45) 1.26 (0.90–1.77) 0.91 (0.73–1.12) 0.59 (0.39–0.88)*
Lag 0–21 1.02 (0.47–2.20) 1.50 (0.98–2.30) 0.79 (0.59–1.04) 0.28 (0.16–0.47)*
Lag 0–28 1.46 (0.54–3.96) 1.61 (0.91–2.82) 0.79 (0.54–1/16) 0.24 (0.12–0.50)*
  1. *p<0.05. RR relative risk