Model type Deviance/d.f. Pearson Chi-square Standardised deviance residuals /d.f. Mean difference and p-value for H0: mean difference=0 Median p-value for H0: normal distribution (via Kolmogorow-Smirnow test) p-value of intervention Poisson 1.88 1.28 -0.141, 0.283 <0.0005 0.92       p=0.004       (link function: log) -1.47 -1.06 (-0.083; (-0.000) (<0.0005) -0.56       p<0.0005)       Negative binomial (link function: log) 0.11 0.045 -0.035; 0.068 <0.0005 0.79     p=0.004       -0.097 -0.047 (-0.093; (-0.027) (<0.0005) -0.7     p<0.0005)

Table 1: Data from the Scandinavian starch for severe sepsis/septic shock (6S) trial on the rate of dialysis-free days within 90 days following randomisation.