Table 1 Descriptive statistics of heatwave case days in cities under four different definitions

From: Small accessible urban parks mitigate heat-related mortality

 

92.5% (2 days)

92.5% (3 days)

95% (2 days)

95% (3 days)

PLAND

 Low (<0.6%)

15,360 (88)

12,916 (88)

9,824 (88)

7,886 (88)

 Medium (0.6%–2.3%)

15,392 (89)

13,092 (89)

9,996 (89)

8,102 (89)

 High (>2.3%)

15,440 (88)

13,390 (88)

9,932 (88)

8,112 (88)

PD

 Low (<19%)

15,276 (88)

12,898 (88)

9,792 (88)

7,852 (88)

 Medium (19%–38%)

15,429 (89)

13,109 (89)

9,969 (89)

7,991 (89)

 High (>38%)

15,487 (88)

13,391 (88)

9,991 (88)

8,257 (88)

LPI

 Low (<16%)

15,303 (88)

12,869 (88)

9,814 (88)

7,896 (88)

 Medium (16%–53%)

15,479 (89)

13,237 (89)

10,026 (89)

8,122 (89)

 High (>53%)

15,410 (88)

13,292 (88)

9,912 (88)

8,082 (88)

LSI

 Low (<6)

15,210 (88)

12,808 (88)

9,785 (88)

7,825 (88)

 Medium (6–12)

15,576 (89)

13,252 (89)

9,887 (89)

7,983 (89)

 High (>12)

15,406 (88)

13,338 (88)

10,080 (88)

8,292 (88)

SPLIT

 Low (<16,736)

15,431 (88)

13,349 (88)

9,918 (88)

8,080 (88)

 Medium (16,736–144,853)

15,443 (89)

13,231 (89)

10,073 (89)

8,249 (89)

 High (>144,853)

15,318 (88)

12,818 (88)

9,761 (88)

7,771 (88)

  1. Shown is the total number of heatwave days identified during the study period. All landscape metrics are divided into three equal groups: low, medium and high, based on tertile distribution.