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Table 3 The single and cumulative effects estimated for different mean temperatures at different lag days with the reference of 17.2 °C (median)

From: Short-term effects of ambient temperature on the risk of preeclampsia in Nanjing, China: a time-series analysis

Single lag days 4.5 °C (the 10th percentile)
RR (95% confidence interval)
9.1 °C (the 25th percentile)
RR (95% confidence interval)
24.1 °C (the 75th percentile)
RR (95% confidence interval)
28.7 °C (the 90th percentile)
RR (95% confidence interval)
Multiple lag days 4.5 °C (the 10th percentile)
RR (95% confidence interval)
9.1 °C (the 25th percentile)
RR (95% confidence interval)
24.1 °C (the 75th percentile)
RR (95% confidence interval)
28.7 °C (the 90th percentile)
RR (95% confidence interval)
0 1.02
(0.88–1.18)
1.08
(0.96–1.20)
0.91
(0.82–1.01)
0.92
(0.78–1.07)
0 1.02
(0.88–1.18)
1.08
(0.96–1.20)
0.91
(0.82–1.01)
0.92
(0.78–1.07)
5 1.03
(0.98–1.08)
1.03
(0.99–1.07)
0.97
(0.93–1.00)*
0.96
(0.91–1.00)
0–5 1.15
(0.73–1.79)
1.35
(0.98–1.86)
0.69
(0.51–0.93)*
0.68
(0.44–1.05)
10 1.03
(0.98–1.10)
1.01
(0.97–1.06)
0.99
(0.95–1.04)
0.99
(0.93–1.05)
0–10 1.34
(0.82–2.18)
1.49
(1.07–2.09)*
0.64
(0.48–0.86)*
0.60
(0.39–0.90)*
15 1.03
(0.98–1.08)
1.01
(0.97–1.05)
1.01
(0.97–1.04)
1.01
(0.96–1.06)
0–15 1.58
(0.95–2.60)
1.57
(1.11–2.23)*
0.65
(0.48–0.87)*
0.59
(0.39–0.89)*
20 1.01
(0.95–1.07)
1.00
(0.96–1.05)
1.01
(0.97–1.05)
1.02
(0.96–1.09)
0–20 1.73
(1.06–2.83)*
1.62
(1.14–2.29)*
0.68
(0.50–0.91)*
0.64
(0.43–0.97)*
25 0.96
(0.92–1.01)
0.98
(0.95–1.01)
1.02
(0.99–1.05)
1.03
(0.99–1.08)
0–25 1.60
(0.99–2.58)
1.54
(1.09–2.18)*
0.72
(0.53–0.99)*
0.74
(0.48–1.15)
30 0.89
(0.78–1.02)
0.93
(0.83–1.04)
1.04
(0.94–1.15)
1.04
(0.89–1.20)
0–30 1.07
(0.76–1.50)
1.20
(0.97–1.48)
0.83
(0.69–1.00)*
0.88
(0.69–1.13)
  1. * p<0.05