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Table 5 The single and cumulative effects estimated for different maximum temperatures at different lag days with the reference of 21.6 °C (median)

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

Single lag days 8.8 °C (the 10th percentile)
RR (95% confidence interval)
14.2 °C (the 25th percentile)
RR (95% confidence interval)
29.0 °C (the 75th percentile)
RR (95% confidence interval)
33.2 °C (the 90th percentile)
RR (95% confidence interval)
Multiple lag days 8.8 °C (the 10th percentile)
RR (95% confidence interval)
14.2 °C (the 25th percentile)
RR (95% confidence interval)
29.0 °C (the 75th percentile)
RR (95% confidence interval)
33.2 °C (the 90th percentile)
RR (95% confidence interval)
0 1.03
(0.91–1.16)
1.06
(0.96–1.16)
0.95
(0.86–1.05)
0.96
(0.84–1.11)
0 1.03
(0.91–1.16)
1.06
(0.96–1.16)
0.95
(0.86–1.05)
0.96
(0.84–1.11)
5 1.03
(0.99–1.08)
1.04
(1.01–1.07)*
0.96
(0.93–0.99)*
0.96
(0.92–1.00)*
0–5 1.20
(0.83–1.75)
1.32
(1.00–1.74)*
0.75
(0.56–1.00)
0.77
(0.52–1.16)
10 1.03
(0.98–1.08)
1.02
(0.98–1.06)
0.98
(0.94–1.02)
0.97
(0.92–1.02)
0–10 1.41
(0.93–2.15)
1.52
(1.12–2.05)*
0.65
(0.48–0.87)*
0.64
(0.43–0.95)*
15 1.02
(0.98–1.06)
1.01
(0.98–1.04)
1.00
(0.97–1.03)
1.00
(0.96–1.04)
0–15 1.62
(1.04–2.51)*
1.62
(1.18–2.23)*
0.62
(0.45–0.83)*
0.60
(0.41–0.88)*
20 1.00
(0.96–1.05)
0.99
(0.96–1.03)
1.02
(0.98–1.06)
1.02
(0.97–1.08)
0–20 1.72
(1.10–2.67)*
1.63
(1.19–2.22)*
0.64
(0.48–0.87)*
0.64
(0.44–0.94)*
25 0.97
(0.93–1.00)
0.98
(0.95–1.01)
1.03
(1.00–1.06)
1.04
(1.00–1.08)
0–25 1.58
(1.02–2.45)*
1.51
(1.11–2.04)*
0.72
(0.54–0.97)*
0.76
(0.51–1.13)
30 0.92
(0.82–1.03)
0.96
(0.88–1.04)
1.03
(0.94–1.12)
1.03
(0.91–1.17)
0–30 1.15
(0.83–1.60)
1.26
(1.01–1.57)*
0.83
(0.68–1.01)
0.91
(0.71–1.18)
  1. * p<0.05