Indications and Relative Utility of Lower Endoscopy in the Management of Clostridium difficile Infection

Table 3

Lower GI endoscopy findings and histopathologic results on biopsy.

Endoscopy Findings		Histopathological results
	Overall; 𝑁=45	Biopsy; 𝑁=31	PMC; 𝑁=13	Infect. colitis; 𝑁=5	Indeterminate or other colitis; 𝑁=7	Other; 𝑁=2^∗	Normal; 𝑁=4
PMC	22 (49%)	14	12	1	—	1	—
NSC	11 (24%)	10	1	4	5	—	—
Negative	12 (27%)	7	—	—	2	1	4

PMC: Pseudomembranous colitis. NSC: Nondiagnostic or indeterminate nonspecific colitis or inflammation without pseudomembranes. Negative: normal mucosa or no inflammation.
*One patient with concurrent CMV colitis (biopsy)/CDI had showed PMC at endoscopy. The other patient with negative endoscopy had GVHD at biopsy.