Table. Features for children from Ethiopia with Bartonella quintana endocarditis*.

Patient, age, y/sex	Echo finding	Underlying condition	Phenomena		Microbiologic evidence	CRP, mg/dL	ESR, mm/h	Leuk/mm3	Hb, g/dL	Platelets/ mm3†
			Vascular	Immunologic
A, 7/F	Several vegetations (11 mm) on pulmonary valve	CHD	No	RF Ab, 189 IU/mL	Bartonella IgG titer 1:1,600, IgM neg; excised vegetation PCR-neg for Coxiella burnetii, PCR-pos for B. quintana‡	1.7	128	3,500	8.5	150,000
B, 12/F	Vegetation (7 mm) on mitral valve	RHD	No	RF Ab, <10 IU/mL	Bartonella IgG titer 1:100, IgM neg; excised vegetation PCR-neg for C. burnetii, PCR-pos for B. quintana‡	0.7	50	5,700	10.3	310,000
C, 16/F	Two vegetations (5 mm) on aortic valve	RHD	Emboli to spleen	GN; 16 Osler nodes	Bartonella IgG titer 1:12,800 (10 wks after surgery: 1:6,400); excised vegetation PCR-neg for C. burnetii, PCR-pos for B. quintana‡	4.2	150	6,900	7.8	334,000
D, 9/F	Several vegetations (10 mm and 20 mm) on aortic valve	CHD	CVA	RF Ab, 25 IU/mL	Bartonella IgG titer 1:6,400 (5 wks after surgery: 1:1,600); excised vegetation PCR-neg for C. burnetii, PCR-pos for B. quintana‡	1.5	44	6,100	11.7	189,000
E, 11/M	Vegetation (14 mm) on aortic valve	CHD	No	RF Ab, 2,560 IU/mL	Bartonella IgG titer 1:6,400; C. burnetii IgM neg	2.0	110	9,100	11.8	264,000

*HIV serologic testing and blood culture results were negative for all patients, and no patients had fever. Ab, antibody; CHD, congenital heart disease CRP, C-reactive protein (reference range 0–10 mg/dL); CVA, cerebral vascular accident; Echo, echocardiogram; ESR, erythrocyte sedimentation rate (reference range 0–20 mm); GN, glomerulonephritis; Hb, hemoglobin (reference range 9.5–13.0 g/dL); Leuk, leukocytes (reference range 6,000–17,500 cells/mm³); neg, negative; pos, positive; RF, rheumatoid factor; RHD, rheumatic heart disease.
†Reference range 150–400 × 10⁹ platelets/L.
‡Sequence comparison analysis demonstrated a 100% identity to B. quintana.