Table 3.

Retrospective clinical scoring before and after rituximab administration

Parameter (values assigned)	Patient 1		Patient 2		Patient 3		Patient 4
	Before	After	Before	After	Before	After	Before	After
Constitutional (fever, weight loss, malaise: 1 point each)	0 (unknown)	0	2 (fever, malaise)	0	2 (fever, weight loss)	0	2 (weight loss, malaise)	0
Clinical infection (0, healing of sinus tract; 1, stable lesion; 2, development of sinus tract)	2	0	0	0	2	0	2	0
Positive blood cultures (0, negative; 2, positive)	2	0	2	0	0	0	0	0
Radiographic change (0, resolved; 1, improvement; 2, stable; 3, progression)	3	1	3	1	3	1	3	1
Hypergammaglobulinemia (0, normal; 1, elevated)	1	0	1	0	1	0	1	0
Total score	8	1	8	1	8	1	8	1