Table 4
Comparison of non-interaction and interaction models
Model fit statistics
28-Day outcome
84-Day outcome
No interaction
Full interaction
No interaction
Full interaction
–2 log likelihood
257.11*
252.46*
294.70
#
291.41
#
Degrees of freedom
2
3
2
3
*p = 0.03;
#
p = 0.07.