Table 1.

Disease severity and incidence at specific time points during collagen-induced arthritis in B10

Strain	Mean day of onset †	Mean severity day 35 †	Mean severity day 50 †	Mean severity day 65 †	% Incidence (day 35 arthritic vs. total numberof mice)	% Incidence (day 50 arthritic vs. total number of mice)	% Incidence (day 65 arthritic vs. total numberof mice)
B10.Q	28 ± 3	13.4 ± 1.9	19.4 ± 2.2	14.1 ± 1.5	55 (11/20)	70 (14/20)	90 (18/20)
B10.DR4. Ncf1*/*	32 ± 1	16.4 ± 6	21 ± 5.6	9.8 ± 3.3	44.4 (8/18)	69.2 (9/13)	71.4 (5/7)

†Data represent mean values ± SE and include only arthritic animals.