Author: Raina MacIntyre, C.; Chughtai, Abrar Ahmad; Zhang, Yi; Seale, Holly; Yang, Peng; Chen, Joshua; Pan, Yang; Zhang, Daitao; Wang, Quanyi
Title: Viral and bacterial upper respiratory tract infection in hospital health care workers over time and association with symptoms Document date: 2017_8_9
ID: 1ckykkob_21
Snippet: Sample size was based on 95% confidence and 80% power to detect difference between rates of bacterial colonisation in symptomatic and asymptomatic individuals, if we assume 20% of HCWs will have bacterial colonization. These estimates are based on previous studies that describe adult colonisation rates. The sample size was calculated in Epi Info 2000 [26] . In order to allow for loss to follow up, 220 hospital staff members were to be recruited......
Document: Sample size was based on 95% confidence and 80% power to detect difference between rates of bacterial colonisation in symptomatic and asymptomatic individuals, if we assume 20% of HCWs will have bacterial colonization. These estimates are based on previous studies that describe adult colonisation rates. The sample size was calculated in Epi Info 2000 [26] . In order to allow for loss to follow up, 220 hospital staff members were to be recruited.
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