Table 3 Characteristics of emerging space-time clusters of COVID-19 cases at machi-level in Nagasaki Prefecture from 2020/4/1 to 2021/3/31

1

2020/12/9–2021/3/31

112

2.38

216

26.37

9.22

< 0.001

107

72

67,548

2

2021/1/3–2021/3/31

87

3.49

137

20.4

7.21

< 0.001

30

21

67,107

3

2020/12/21–2021/3/31

100

1.8

112

23.72

4.96

< 0.001

39

24

67,998

4

2020/12/13–2021/3/31

108

15.03

93

17.46

5.57

< 0.001

80

28

46,378

5

2020/12/28–2021/3/31

93

8.14

51

7.2

7.27

< 0.001

68

21

22,161

6

2020/12/20–2021/3/31

101

1.47

21

0.62

34.37

< 0.001

6

5

1755

7

2020/12/10–2021/3/31

111

6.36

92

25.6

3.74

< 0.001

43

20

66,175

8

2020/12/10–2021/3/31

111

4.68

86

25.42

3.51

< 0.001

31

14

65,704

9

2020/12/10–2021/3/31

111

4.78

76

25.37

3.09

< 0.001

35

16

65,587

10

2020/12/24–2021/3/31

97

2.84

65

19.61

3.41

< 0.001

75

27

57,924

11

2021/1/6–2021/3/31

84

11.36

31

4.64

6.78

< 0.001

38

8

15,812

12

2021/1/13–2021/3/31

77

5.72

18

1.21

15.06

< 0.001

4

3

4479

13

2020/12/19–2021/3/31

102

6.47

26

4.2

6.27

< 0.001

9

3

11,805

14

2020/12/10–2021/3/31

111

3.78

46

12.91

3.63

< 0.001

16

8

33,375

15

2020/12/28–2021/3/31

93

11.28

56

21.72

2.63

< 0.001

76

16

66,898