Table 4 Characteristics of emerging space-time clusters of COVID-19 cases at machi-level in Nagasaki Prefecture from 2020/4/1 to 2021/6/30

1

2020/12/9–2021/6/30

203

2.39

433

73.83

6.6

< 0.001

98

82

68,358

2

2021/1/3–2021/6/30

178

3.37

260

63.75

4.34

< 0.001

37

28

67,268

3

2021/3/31–2021/6/30

91

0

36

0.34

106.89

< 0.001

1

1

699

4

2020/12/21–2021/6/30

191

1.88

237

67.96

3.68

< 0.001

40

27

66,876

5

2021/4/23–2021/6/30

68

8.61

113

24.36

4.77

< 0.001

46

28

66,672

6

2020/12/19–2021/6/30

193

14.01

187

68.46

2.84

< 0.001

89

37

66,654

7

2021/4/16–2021/6/30

75

0

23

0.4

57.78

< 0.001

1

1

996

8

2021/5/28–2021/6/30

33

23.79

71

12.17

5.94

< 0.001

89

28

67,622

9

2021/4/26–2021/6/30

65

4.34

90

23.79

3.86

< 0.001

29

14

68,094

10

2020/12/20–2021/6/30

192

1.47

28

1.79

15.74

< 0.001

6

5

1755

11

2020/12/28–2021/6/30

184

7.16

65

15.06

4.38

< 0.001

55

23

15,377

12

2021/4/14–2021/6/30

77

0

9

0.037

242.81

< 0.001

1

1

90

13

2020/12/10–2021/6/30

202

4.78

147

72.92

2.06

< 0.001

20

10

67,843

14

2021/4/19–2021/6/30

72

2.09

47

13.87

3.42

< 0.001

20

8

35,891

15

2021/1/12–2021/6/30

169

0

8

0.23

34.8

< 0.001

1

1

256

16

2021/1/14–2021/6/30

167

1.83

11

1.19

9.27

< 0.05

3

2

1338

17

2021/1/13–2021/6/30

168

3.06

19

4.01

4.76

< 0.05

4

3

4479

18

2021/4/26–2021/6/30

177

0

10

0.94

10.65

< 0.05

1

1

2694

19

2021/5/1–2021/6/30

176

1.85

16

3.13

5.13

< 0.05

7

4

9700