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Table 1 Characteristics of 107 outbreaks among students

From: Tuberculosis outbreaks among students in mainland China: a systematic review and meta-analysis

Characteristic

Number of studies

Percent (%)

Type of school

 Junior middle school or primary school

10

9.30

 Senior middle school

66

61.70

 University or college

31

29.00

Outbreak duration

 1 month or less

22

20.60

 1–2 months

24

22.40

 2–4 months

27

25.20

 4 months or longer

34

31.80

Region where the outbreak school was located

 Eastern region

78

72.90

 Central region

13

12.10

 Western region

16

15.00

The season when index case was detected

 Spring

30

28.00

 Summer

17

15.90

 Autumn

16

15.00

 Winter

44

41.10