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Table 1 Number of preeclampsia hospital admissions according to daily temperature, including mean, minimum and maximum temperatures, in Nanjing during 2016–2017

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

  Daily mean temperature Daily minimum temperature Daily maximum temperature
Temperature (°C) Number of Preeclampsia admissions Preeclampsia admissions per day (95% confidence interval) Number of Preeclampsia admissions Preeclampsia admissions per day (95% confidence interval) Number of Preeclampsia admissions Preeclampsia admissions per day (95% confidence interval)
 < 0 12 1.71 (0.69–2.74) 102 1.79 (1.41–2.17) 0 0
0 to 9.9 355 1.81 (1.58–2.04) 412 1.90 (1.68–2.12) 182 1.82 (1.51–2.13)
10 to 19.9 378 1.73 (1.53–1.94) 393 1.58 (1.40–1.75) 423 1.87 (1.66–2.09)
20 to 29.9 393 1.54 (1.36–1.71) 305 1.47 (1.28–1.67) 376 1.51 (1.33–1.69)
 ≥ 30 75 1.39 (1.06–1.72) 1 1.00 232 1.50 (1.29–1.71)
Total 1213 1.66 (1.55–1.77) 1213 1.66 (1.55–1.77) 1213 1.66 (1.55–1.77)