TABLE 2.

Comparison of CMV loads in plasma and leukocytes with blood culture results for patients with CMV retinitis

Specimens (no. of positive CMV blood cultures)	Parameter	Value for:
		Plasma	Leukocytes
Alla (35)	No. of specimens	197d	197
	% of blood culture-positive patient visits with detectable CMV load	91	94
	No. of patient visits with detectable CMV load	51	68
	% of patient visits with detectable CMV load with positive blood culture	63	49
	Agreement between CMV blood cultures and CMV load (κ)	0.68	0.53
Untreated patientsb (20)	No. of specimens	44	44
	% of blood culture-positive patient visits with detectable CMV load	95	100
	No. of patient visits with detectable CMV load	28	36
	% of patient visits with detectable CMV load with positive blood culture	68	56
	Agreement between CMV blood cultures and CMV load (κ)	0.56	0.31
Treated patientsc (15)	No. of specimens	153	153
	% of blood culture-positive patient visits with detectable CMV load	87	87
	No. of patient visits with detectable CMV load	23	32
	% of patient visits with detectable CMV load with positive blood culture	57	41
	Agreement between CMV blood cultures and CMV load (κ)	0.64	0.48

^aAt diagnosis of CMV retinitis and at follow-up visits. 

^bAt diagnosis of CMV retinitis only. 

^cAt follow-up visits only. 

^dThere were two patient visits for which there was no blood culture result.