a marked trendP = 0.07
However, the incidence of the disease across pens showed a marked trend (x 2 3 d.f. = 6.85, P = 0.07) related to the lower incidence in pen 4 (2/4) compared with the other pens (4/4)( Fig 4E ).
However, the incidence of the disease across pens showed a marked trend (x 2 3 d.f. = 6.85, P = 0.07) related to the lower incidence in pen 4 (2/4) compared with the other pens (4/4)( Fig 4E ).