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. 2015 Nov 8;2015(11):CD004402. doi: 10.1002/14651858.CD004402.pub3

Klein 1969.

Methods Double‐blind, randomised, placebo‐controlled trial
Participants 24 participants
 Eligibility criteria: at initial interview symptoms and physical findings of glandular fever (does not specific what these are) plus laboratory findings of white cell differential count showing the lymphocytes to compromise 50% of more of the total count with atypical lymphocytes being noted. In addition a repeat blood test 72 to 96 hours later having similar results or a heterophil titre in excess of a 1:56 dilution. The authors state that as the study progressed the 'mono test' (not clear what this refers to) became available and was also performed at the initial visit
Interventions Intervention: oral corticosteroids, either prednisolone, prednisolone or cortisone. The intake equalled 10 mg starting dose of steroid tapered over 8 days
 Control: placebo
Outcomes Duration of sore throat
Notes
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Unclear risk "Randomisation code"
Allocation concealment (selection bias) Low risk Randomisation code held by pharmaceutical company
Blinding (performance bias and detection bias) 
 All outcomes Low risk Physician and participant
Incomplete outcome data (attrition bias) 
 All outcomes Unclear risk
Selective reporting (reporting bias) Unclear risk
Other bias Unclear risk