The Journal of family practice
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    After confirmation of the diagnosis, follow up with recommendations for lifestyle adjustment and, in certain clinical situations, pursue medical therapy. 
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    This RCT provided valuable insights as to whether CRP-guided prescribing could safely reduce antibiotic use during acute COPD exacerbations. 
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    PROBABLY, although there are no head-to-head trials comparing the 2 dosing regimens. Event-driven pre-exposure prophylaxis (PrEP) dosing reduces HIV conversion by 86% compared to placebo (strength of recommendation [SOR]: B, large randomized controlled trial [RCT]). ⋯ Event-driven PrEP regimens have lower medication costs, and they are associated with no difference in the rate of sexually transmitted infections (STIs) (SOR: B, based on prospective cohort studies). Patients may prefer them to daily regimens (75% choose event driven PrEP vs 25% choose daily PrEP) (SOR: BB, based on the preponderance of prospective cohort studies with conflicting results).