Reference	Objective	Design	Evidence
Mortensen et al. [506]	Effect of current statin use and ACE inhibitor use on 30‐day mortality of patients hospitalized for pneumonia	CCS	4B+
Chalmers et al. [507]	To study effects of statin use on mortality in those admitted to hospital with pneumonia	CCS	3B+
Dublin et al. [508]	Case‐control study of statin use in pneumonia	CCS	4B−
Schlienger et al. [509]	Current statin users had a significantly reduced risk of fatal pneumonia	CCS	B4+
Thomsen et al. [510]	To study mortality in pneumonia in current statin users	CCS	4B+
Tleyjeh et al. [511]	To study statin use to prevent infection	SR	1A+