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Table 1 Summary statistics of daily hospital admission and local environmental measurements, Shanghai (January 2013–November 2014)

From: Identifying and characterizing the effects of calendar and environmental conditions on pediatric admissions in Shanghai

   Mean Median Maximum SD
Daily hospital admission (visit number/day)
 Hospital A Outpatient 5020 5248 7291 1233.6
Emergency 677 681 1011 88.6
 Hospital C Outpatient 3074 3282 4598 778.2
Emergency 711 707 1155 146.3
 Hospital D Outpatient 2072 2291 3375 745.9
Emergency 903 823 1947 297.3
 Total Outpatient 10,170 10,730 15,010 2553
Emergency 2292 2259 3964 447
Weather measurements
 Temperature (°C)   17.85 18.73 35.02 8.7
 TDIF24H (°C)   5.6 6.21 20.6 3.33
 MTD48H (°C)   1.58 1.21 14.64 1.44
 PM2.5 (μg/m3)   56.17 44 447 41.5
 PM10 (μg/m3)   74.91 60 467 49.4
 SO2 (μg/m3)   19.96 15 103 14.2
 NO2 (μg/m3)   45.74 41 136 20.8
 CO (mg/m3)   0.7958 0.7100 3.023 0.3
 O3 (μg/m3)   103.8 98 302 41.9
 PRCP (mm)   3.98 0 189.5 12.0
  1. TDIF24H is the difference of temperature in 24 h
  2. MTD48H is the absolute value of mean temperature differences over 2 days
  3. PRCP is the daily precipitation