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Table 4 Comparing rates of bacterial colonisation in symptomatic and non-symptomatic participants

From: Viral and bacterial upper respiratory tract infection in hospital health care workers over time and association with symptoms

CRI Bacterial colonisation Rate (%) OR P value
All bacteria positive at start or end of the study (including bacteria/viral co-infections) (n = 223)
 Yes 12/12 100 3.7 (0.19–72.55) 0.385
 No 184/211 87.2 Ref  
All bacteria positive at start or end of the study (excluding virus only infection) (n = 218)
 Yes 12/12 100 3.1 (0.16–59.69) 0.463
 No 184/206 89.3 Ref  
Only bacterial infection, excluding viral and co-infection infection cases (n = 170)
 Yes 8/8 100 2.72 (0.13–57.84) 0.521
 No 140/162 86.4