Clostridioides difficile Infection in Patients with Chronic Kidney Disease: A Systematic Review

Table 5

Quality assessment scores nonrandomized trials.

Nonrandomized controlled trials	Selection				Comparability		Outcome
	Representative cohort	Selection of nonexposed cohort	Ascertainment of exposure	Not present at start	Control for most important factor	Control for additional factors	Assessment of outcome	Follow-up long enough	Adequacy of follow-up
Kujawa et al. (2015)
	Lachowicz et al. (2014)