CD14 and infection: Also, when we assessed the number of animals culture positive of the total assessed at each time point (see table at the bottom of Figure 1), we found that significantly more animals had resolved infection by day 21 in the CD14-/- group (7 of 18 resolved) than in the wt C57BL/6 (only 2 of 18 resolved) controls (P = 0.04, McNemar's chi square analysis with Yates correction).