Table 7

Contrast coefficients for the three planned comparisons


Coefficients for orthogonal contrasts


Infection
Contrast 1
Contrast 2
Contrast 3

1 (no infection)
3
0
0
2
-1
0
2
3
-1
1
-1
4
-1
-1
-1

Bewick et al. Critical Care 2004 8:130   doi:10.1186/cc2836