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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

CharacteristicNumber of studiesPercent (%)
Type of school
 Junior middle school or primary school109.30
 Senior middle school6661.70
 University or college3129.00
Outbreak duration
 1 month or less2220.60
 1–2 months2422.40
 2–4 months2725.20
 4 months or longer3431.80
Region where the outbreak school was located
 Eastern region7872.90
 Central region1312.10
 Western region1615.00
The season when index case was detected
 Spring3028.00
 Summer1715.90
 Autumn1615.00
 Winter4441.10